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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934



August 18, 2017 (August 14, 2017)
Date of Report (Date of earliest event reported)

ENERGY TRANSFER PARTNERS, L.P.
(Exact name of Registrant as specified in its charter)

Delaware	1-31219	73-1493906
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

8111 Westchester Drive, Suite 600,
Dallas, Texas 75225

(Address of principal executive offices) (Zip Code)

(214) 981-0700

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:


¨	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)


¨	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)


¨	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))


¨	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨


Item 1.01	Entry into a Material Definitive Agreement.

On August 14, 2017, Energy Transfer Partners, L.P. (the “Partnership”) entered into an Underwriting Agreement (the “Underwriting Agreement”) with Barclays Capital Inc. as representative of the several underwriters named on Schedule 1 to the Underwriting Agreement (the “Underwriters”), pursuant to which the Partnership agreed to sell to the Underwriters 54,000,000 common units (the “Firm Units”) representing limited partner interests (the "Common Units") in the Partnership at a price of $18.65 per Firm Unit. Pursuant to the Underwriting Agreement, the Partnership has granted the Underwriters a 30-day option to purchase up to 8,100,000 additional Common Units (the “Option Units” and together with the Firm Units, the “Offered Units”). The Offered Units have been registered under the Securities Act of 1933, as amended (the “Securities Act”), pursuant to a Registration Statement on Form S-3 (File No. 333-206301) of the Partnership, which became effective on August 11, 2015, as supplemented by the Prospectus Supplement dated August 14, 2017 relating to the Units, filed with the Securities and Exchange Commission (“Commission”) pursuant to Rule 424(b) of the Securities Act on August 16, 2017.

The offering with respect to the Firm Units closed on August 18, 2017. The Partnership received proceeds before expenses from the offering of approximately $997 million. The Partnership intends to use the net proceeds from the offering to repay amounts outstanding under the revolving credit facilities of the Partnership and its subsidiary, Energy Transfer, LP, (the “revolving credit facilities”), to fund capital expenditures and for general partnership purposes.

The Underwriting Agreement contains customary representations, warranties and agreements by the Partnership, and customary conditions to closing, indemnification obligations of the Partnership and the Underwriters, including for liabilities under the Securities Act, other obligations of the parties and termination provisions.

The Underwriters may, from time to time, engage in transactions with and perform services for the Partnership and its affiliates in the ordinary course of business. Affiliates of each of the Underwriters are lenders under the revolving credit facilities and, accordingly, may receive a portion of the net proceeds from this offering.

The foregoing description of the Underwriting Agreement is not completed and is qualified in its entirety by reference to the full text of the Underwriting Agreement, which is attached as Exhibit 1.1 to this Current Report on Form 8-K and incorporated into this Item 1.01 by reference. Legal opinions relating to the Offered Units are included as Exhibits 5.1 and 8.1 to this Current Report on Form 8-K.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.



Exhibit Number		Description of the Exhibit
1.1		Underwriting Agreement, dated as of August 14, 2017, between Energy Transfer Partners, L.P. and Barclays Capital Inc., as representative of the several underwriters named therein.
5.1		Opinion of Latham & Watkins LLP regarding legality of the Offered Units.
8.1		Opinion of Latham & Watkins LLP relating to tax matters.
23.1		Consent of Latham & Watkins LLP (included in Exhibit 5.1 hereto).
23.2		Consent of Latham & Watkins LLP (included in Exhibit 8.1 hereto).

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.



		ENERGY TRANSFER PARTNERS, L.P.

		By:	Energy Transfer Partners GP, L.P.
			its General Partner

		By:	Energy Transfer Partners, L.L.C.
			its General Partner

Date:	August 18, 2017	By:	/s/ Thomas E. Long
			Thomas E. Long
			Chief Financial Officer

EXHIBIT INDEX



Exhibit Number		Description of the Exhibit
1.1		Underwriting Agreement, dated as of August 14, 2017, between Energy Transfer Partners, L.P. and Barclays Capital Inc., as representative of the several underwriters named therein.
5.1		Opinion of Latham & Watkins LLP regarding legality of the Offered Units.
8.1		Opinion of Latham & Watkins LLP relating to tax matters.
23.1		Consent of Latham & Watkins LLP (included in Exhibit 5.1 hereto).
23.2		Consent of Latham & Watkins LLP (included in Exhibit 8.1 hereto).

Exhibit

ENERGY TRANSFER PARTNERS, L.P.

54,000,000 Common Units

Representing Limited Partner Interests

UNDERWRITING AGREEMENT

August 14, 2017

BARCLAYS CAPITAL INC.

745 Seventh Avenue

New York, New York 10019

As the Representative of the several

Underwriters named in Schedule 1 attached hereto

Ladies and Gentlemen:

Energy Transfer Partners, L.P., a Delaware limited partnership (the “Partnership”), proposes to issue and sell to the several underwriters (collectively, the “Underwriters”) named in Schedule 1 attached to this underwriting agreement (this “Agreement”) an aggregate of 54,000,000 common units (the “Firm Units”) representing limited partner interests in the Partnership (the “Common Units”). In addition, the Partnership proposes to grant to the Underwriters an option to purchase up to an additional 8,100,000 Common Units on the terms and for the purposes set forth in Section 2 (the “Option Units”). The Firm Units and the Option Units, if purchased, are hereinafter collectively called the “Units.” Barclays Capital Inc. (the “Representative”) shall act as the representative of the several Underwriters. Capitalized terms used but not defined herein shall have the same meanings given them in the Partnership Agreement (as defined herein).

Energy Transfer Partners GP, L.P., a Delaware limited partnership (the “General Partner”), is a controlled subsidiary of Energy Transfer Equity, L.P., a Delaware limited partnership (“ETE”), and the general partner of the Partnership. Energy Transfer Partners, L.L.C., a Delaware limited liability company (“ETP LLC”), is the general partner of the General Partner.

Each of ETP LLC, the General Partner and the Partnership is sometimes referred to herein individually as a “Partnership Entity” and collectively as the “Partnership Entities.”

This Agreement is to confirm the agreement among the Partnership and the Underwriters concerning the purchase of the Units from the Partnership by the Underwriters.

Section 1. Representations, Warranties and Agreements of the Partnership.

The Partnership represents and warrants to, and agrees with, each Underwriter that:

(a) Registration. An “automatic shelf registration statement” as defined in Rule 405 of the Rules and Regulations (defined below) on Form S-3 (File No. 333‑206301), with respect to the Units (i) has been prepared by the Partnership in conformity with the requirements of the Securities

Act of 1933, as amended (the “Securities Act”), and the rules and regulations (the “Rules and Regulations”) of the Securities and Exchange Commission (the “Commission”) thereunder; (ii) has been filed with the Commission under the Securities Act; and (iii) became effective upon filing thereof under the Securities Act on August 11, 2015. Copies of such registration statement and any amendment thereto have been delivered by the Partnership to the Representative. As used in this Agreement:

(i) “Applicable Time” means 6:30 p.m. (New York City time) on the date of this Agreement, which the Underwriters have informed the Partnership is a time prior to the time of the first sale of the Units;

(ii) “Base Prospectus” means the base prospectus filed as part of the Registration Statement, in the form in which it has most recently been amended on or prior to the date hereof;

(iii) “Effective Date” means any date as of which any part of the Registration Statement relating to the Units became, or is deemed to have become, effective under the Securities Act in accordance with the Rules and Regulations;

(iv) “Issuer Free Writing Prospectus” means each “free writing prospectus” (as defined in Rule 405 of the Rules and Regulations) prepared by or on behalf of the Partnership or used or referred to by the Partnership in connection with the offering of the Units;

(v) “Preliminary Prospectus” means the preliminary prospectus supplement relating to the Units that is filed with the Commission pursuant to Rule 424(b) of the Rules and Regulations and used prior to the filing of the Prospectus, together with the Base Prospectus;

(vi) “Pricing Disclosure Package” means, as of the Applicable Time, the Preliminary Prospectus, together with (A) each Issuer Free Writing Prospectus filed or used by the Partnership on or before the Applicable Time, other than a road show that is an Issuer Free Writing Prospectus under Rule 433 of the Rules and Regulations, and (B) the number of Units and the public offering price information set forth on Annex 4 hereto;

(vii) “Prospectus” means the prospectus supplement relating to the Units that is first filed with the Commission pursuant to Rule 424(b) of the Rules and Regulations after the Applicable Time, together with the Base Prospectus; and

(viii) “Registration Statement” means, collectively, the various parts of the automatic shelf registration statement on Form S-3 (File No. 333-206301), including exhibits and financial statements and any information in the prospectus supplement relating to the Units that is filed with the Commission pursuant to Rule 424(b) and deemed part of such registration statement pursuant to Rule 430B of the Rules and Regulations.

Any reference in this Agreement or the exhibits or annexes hereto to the Registration Statement, the Preliminary Prospectus or the Prospectus shall be deemed to refer to and include any documents incorporated by reference therein pursuant to Form S-3 under the Securities Act as

of the date of the Registration Statement, the Preliminary Prospectus or the Prospectus, as the case may be. Any reference to any amendment or supplement to the Preliminary Prospectus or the Prospectus shall be deemed to refer to and include any document filed under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), after the date of such Preliminary Prospectus or the Prospectus, as the case may be, and incorporated by reference in such Preliminary Prospectus or the Prospectus, as the case may be; and any reference to any amendment to the Registration Statement shall be deemed to include any periodic or current report of the Partnership filed with the Commission pursuant to Section 13(a) or 15(d) of the Exchange Act after the Effective Date that is incorporated by reference in the Registration Statement. The Commission has not issued any order preventing or suspending the use of the Preliminary Prospectus, the Prospectus or any Issuer Free Writing Prospectus or suspending the effectiveness of the Registration Statement, and no proceeding for such purpose or pursuant to Section 8A of the Securities Act has been instituted or, to the knowledge of the Partnership, threatened by the Commission. The Commission has not notified the Partnership of any objection to the use of the form of the Registration Statement.

(b) Well-Known Seasoned Issuer. (i) At the time of filing the Registration Statement, (ii) at the time of the most recent amendment thereto for the purposes of complying with Section 10(a)(3) of the Securities Act (whether such amendment was by post-effective amendment, incorporated report filed pursuant to Sections 13 or 15(d) of the Exchange Act or form of prospectus), if any, (iii) at the time the Partnership or any person acting on its behalf (within the meaning, for this clause only, of Rule 163(c)) made any offer relating to the Units in reliance on the exemption in Rule 163 and (iv) as of the date hereof, the Partnership was or is (as the case may be) a “well-known seasoned issuer” as defined in Rule 405 of the Rules and Regulations. The Partnership was not at the earliest time after the initial filing of the Registration Statement that the Partnership or another offering participant made a bona fide offer (within the meaning of Rule 164(h)(2) of the Rules and Regulations) of the Units, is not on the date hereof and will not be on the applicable Delivery Date (as defined in Section 4) an “ineligible issuer” (as defined in Rule 405 of the Rules and Regulations) relating to the issuance and sale of the Units contemplated by this Agreement. The Partnership has been since the time of initial filing of the Registration Statement and continues to be eligible to use Form S-3 for the offering of the Units.

(c) Form of Documents. The Registration Statement conformed and will conform in all material respects on the Effective Date and on the applicable Delivery Date, and any amendment to the Registration Statement filed after the date hereof will conform in all material respects when filed with the Commission, to the requirements of the Securities Act and the Rules and Regulations. The Preliminary Prospectus conformed, and the Prospectus will conform, in all material respects when filed with the Commission pursuant to Rule 424(b) and on the applicable Delivery Date to the requirements of the Securities Act and the Rules and Regulations.

(d) Registration Statement. The Registration Statement did not, as of the Effective Date, contain an untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein not misleading; and each of the statements made by the Partnership in the Registration Statement and any further amendments to the Registration Statement within the coverage of Rule 175(b) of the Rules and Regulations, including (but not limited to) any statements with respect to future cash distributions of the Partnership or the anticipated ratio of taxable income to distributions was made with a reasonable basis and in good

faith; provided that no representation or warranty is made as to information contained in or omitted from the Registration Statement in reliance upon and in conformity with written information furnished to the Partnership through the Representative by or on behalf of any Underwriter specifically for inclusion therein, which information is specified in Section 8(e).

(e) Prospectus. The Prospectus will not, as of its date and on the applicable Delivery Date, contain an untrue statement of a material fact or omit to state a material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading; and each of the statements made or to be made by the Partnership in the Preliminary Prospectus or the Prospectus, as applicable, and any further supplements to the Preliminary Prospectus or the Prospectus within the coverage of Rule 175(b) of the Rules and Regulations, including (but not limited to) any statements with respect to future cash distributions of the Partnership or the anticipated ratio of taxable income to distributions was made with a reasonable basis and in good faith; provided that no representation or warranty is made as to information contained in or omitted from the Preliminary Prospectus or the Prospectus in reliance upon and in conformity with written information furnished to the Partnership through the Representative by or on behalf of any Underwriter specifically for inclusion therein, which information is specified in Section 8(e).

(f) Documents Incorporated by Reference. The documents incorporated by reference in the Registration Statement, the Preliminary Prospectus or the Prospectus, when they were filed with the Commission and on the applicable Delivery Date, conformed and will conform in all material respects to the requirements of the Exchange Act and the rules and regulations of the Commission thereunder and any further documents filed with the Commission prior to the applicable Delivery Date and incorporated by reference in the Registration Statement, the Preliminary Prospectus or the Prospectus, when filed with the Commission and on the applicable Delivery Date, will conform in all material respects to the requirements of the Exchange Act and the rules and regulations of the Commission thereunder. The documents incorporated by reference in the Registration Statement, the Preliminary Prospectus or the Prospectus did not, and any further documents filed prior to the applicable Delivery Date and incorporated by reference therein will not, when filed with the Commission and on the applicable Delivery Date, contain an untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading.

(g) Pricing Disclosure Package. The Pricing Disclosure Package did not, as of the Applicable Time, contain an untrue statement of a material fact or omit to state a material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading; provided that no representation or warranty is made as to information contained in or omitted from the Pricing Disclosure Package in reliance upon and in conformity with written information furnished to the Partnership through the Representative by or on behalf of any Underwriter specifically for inclusion therein, which information is specified in Section 8(e).

(h) Issuer Free Writing Prospectus and Pricing Disclosure Package. Each Issuer Free Writing Prospectus (including, without limitation, any road show that is a free writing prospectus

under Rule 433 of the Rules and Regulations), when considered together with the Pricing Disclosure Package as of the Applicable Time, did not contain an untrue statement of a material fact or omit to state a material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading.

(i) Each Issuer Free Writing Prospectus. Each Issuer Free Writing Prospectus conformed or will conform in all material respects to the requirements of the Securities Act and the Rules and Regulations on the date of first use, and the Partnership has complied or will comply with any filing requirements applicable to such Issuer Free Writing Prospectus pursuant to the Rules and Regulations. The Partnership has not made any offer relating to the Units that would constitute an Issuer Free Writing Prospectus without the prior written consent of the Representative, except as set forth on Annex 3 hereto. The Partnership has retained in accordance with the Rules and Regulations all Issuer Free Writing Prospectuses that were not required to be filed pursuant to the Rules and Regulations (it being understood that, as of the date hereof, the Partnership has not retained any Issuer Free Writing Prospectus for the three year period required thereby).

(j) Formation and Qualification of the Partnership. The Partnership has been duly formed and is validly existing in good standing as a limited partnership under the Delaware Revised Uniform Limited Partnership Act, as amended (the “Delaware LP Act”), with full partnership power and authority necessary to own or hold its properties and assets and to conduct the businesses in which it is engaged as described in the Registration Statement, the Preliminary Prospectus and the Prospectus. The Partnership is duly registered or qualified as a foreign limited partnership for the transaction of business under the laws of each jurisdiction listed opposite its name on Annex 2, such jurisdictions being the only jurisdictions in which the ownership or lease of property or the character of business conducted by it makes such qualification or registration necessary, except where the failure to so register or qualify would not (i) have a material adverse effect on the general affairs, management, condition (financial or otherwise), business, prospects, properties, assets, securityholders’ equity, capitalization or results of operations of the Partnership and the Subsidiaries (as defined below), taken as a whole (a “Material Adverse Effect”), or (ii) subject the limited partners of the Partnership to any material liability or disability.

(k) Formation and Qualification of ETP LLC and the General Partner. Each of ETP LLC and the General Partner has been duly formed and is validly existing in good standing as a limited liability company or limited partnership under the Delaware Limited Liability Company Act (the “Delaware LLC Act”) or the Delaware LP Act, as applicable, with full limited liability company power or partnership power, as applicable, and authority necessary to own or hold its properties and assets, to conduct the businesses in which it is engaged, in each case in all material respects, and to act as general partner of the General Partner and the Partnership, respectively. Each of ETP LLC and the General Partner is duly registered or qualified as a foreign limited liability company or foreign limited partnership, as applicable, for the transaction of business under the laws of each jurisdiction listed opposite its name on Annex 2, such jurisdictions being the only jurisdictions in which the ownership or lease of property or the character of business conducted by it makes such registration or qualification necessary, except where the failure to so register or qualify would not (i) have a Material Adverse Effect or (ii) subject the limited partners of the Partnership to any material liability or disability.

(l) Ownership of ETP LLC. To the knowledge of the Partnership, ETE owns 100% of the issued and outstanding membership interests in ETP LLC; such membership interests have been duly authorized and validly issued in accordance with the ETP LLC limited liability company agreement (the “ETP LLC Agreement”) and are fully paid (to the extent required under the ETP LLC limited liability company agreement) and non-assessable (except as such non-assessability may be affected by matters described in Section 18-607 of the Delaware LLC Act); and ETE owns such membership interests free and clear of all liens, encumbrances, security interests, equities, charges or claims (collectively, “Liens”), except pari passu Liens granted pursuant to that certain Second Amended and Restated Pledge and Security Agreement, dated as of December 2, 2013, as amended by Amendment No. 1 thereto dated as of March 24, 2017 (as further amended, supplemented, amended and restated or otherwise modified from time to time, the “ETE Pledge Agreement”), by and among ETE, ETP LLC, ETE Services Company, LLC and ETE Common Holdings LLC (as the grantors) and U.S. Bank National Association (as collateral agent) in order to secure obligations arising under (A) that certain Credit Agreement dated as of March 24, 2017, as amended, supplemented, amended and restated or otherwise modified from time to time, by and among ETE, as Borrower, Credit Suisse AG, Cayman Islands Branch (as administrative agent) and the other lenders party thereto; (B) that certain Senior Secured Term Loan Agreement dated as of February 2, 2017, as amended, supplemented, amended and restated or otherwise modified from time, by and among ETE, as Borrower, Credit Suisse AG, Cayman Islands Branch (as administrative agent), and the other lenders party thereto; and (C) that certain Indenture dated September 20, 2010, as amended, supplemented, restated or modified, between ETE, as issuer, and U.S. Bank National Association, as trustee.

(m) Ownership of General Partner. ETP LLC is the sole general partner of the General Partner, with a 0.01% general partner interest in the General Partner; (ii) such interest has been duly authorized and validly issued in accordance with the General Partner’s agreement of limited partnership; (iii) ETP LLC owns such general partner interest free and clear of all liens, encumbrances, security interests, equities, charges or claims (collectively, “Liens”); (iv) ETE owns 100% of the Class A limited partner interests of the General Partner and 100% of the Class B limited partner interests of the General Partner; (v) such limited partner interests have been duly authorized and validly issued in accordance with the General Partner’s agreement of limited partnership (as the same may be amended or restated at or prior to the date hereof, the “GP LP Agreement”) and are fully paid (to the extent required under the GP LP Agreement) and non-assessable (except as such non-assessability may be affected by Sections 17-303(a), 17-607 and 17-804 of the Delaware LP Act and as otherwise described in the Registration Statement, the Pricing Disclosure Package and the Prospectus); and (vi) ETE owns such limited partner interests free and clear of all Liens, other than Liens created pursuant to the ETE Pledge Agreement.

(n) Ownership of the General Partner Interest and Incentive Distribution Rights in the Partnership. The General Partner is the sole general partner of the Partnership and owns a 0.39% general partner interest in the Partnership and all of the Incentive Distribution Rights (as defined in the agreement of limited partnership of the Partnership (as the same may be amended or restated at or prior to each Settlement Date, the “Partnership Agreement”); such general partner interest and Incentive Distribution Rights have been duly authorized and validly issued in accordance with the Partnership Agreement and the General Partner owns such general partner interest and Incentive

Distribution Rights free and clear of all Liens, except restrictions on transferability set forth in the Partnership Agreement.

(o) Ownership of Outstanding Common Units and other Equity Securities. As of the date hereof, and excluding the issuance of the Units pursuant to this Agreement, (i) the limited partners of the Partnership own (A) 1,087,209,721 Common Units, (B) 8,853,832 Class E Units, (C) 90,706,000 Class G Units, (D) 100 Class I Units, (E) no Class J Units and (F) 101,525,429 Class K Units, collectively representing an approximate 99% limited partner interest in the Partnership, (ii) 27,535,127 Common Units are owned by ETE, free and clear of all Liens, other than Liens created pursuant to the ETE Pledge Agreement, (iii) 8,853,832 Class E Units are owned by Heritage Holdings, Inc., free and clear of all Liens, (iv) 90,706,000 Class G Units are owned by subsidiaries of Sunoco, Inc., free and clear of all Liens, (v) 100 Class I Units are owned by the General Partner and (vi) 101,525,429 Class K Units are owned by certain indirect subsidiaries of the Partnership, free and clear of all Liens.

All of such units and the limited partner interests represented thereby have been duly authorized and validly issued in accordance with the Partnership Agreement and are fully paid (to the extent required under the Partnership Agreement) and nonassessable (except as such nonassessability may be affected by Sections 17-303, 17-607 and 17-804 of the Delaware LP Act).

(p) Valid Issuance of Units. The Firm Units and the Option Units, if any, and the limited partner interests represented thereby, to be issued and sold by the Partnership to the Underwriters pursuant to this Agreement, have been duly authorized and, when issued and delivered to the Underwriters against payment therefor in accordance with the terms of this Agreement, will be validly issued, fully paid (to the extent required under the Partnership Agreement) and non-assessable (except as such non-assessability may be affected by Sections 17-303, 17-607 and 17-804 of the Delaware LP Act); the Firm Units and the Option Units, if any, when issued and delivered against payment therefor in accordance with the terms of this Agreement, will conform to the descriptions thereof contained in each of the Preliminary Prospectus and the Prospectus.

(q) Material Subsidiaries. Attached hereto as Annex 5 is a listing of each direct or in direct Subsidiary of the Partnership that is a “significant subsidiary” as defined in Rule 1-02 of Regulation S-X as of the date of the Partnership’s latest historical financial statements (audited or unaudited) incorporated by reference in the Registration Statement, the Pricing Disclosure Package or the Prospectus after giving effect to the transactions contemplated by that certain merger agreement dated November 20, 2016, as amended on December 16, 2016 by and between the Partnership and Energy Transfer, LP and certain of their affiliates (collectively, the “Material Subsidiaries”).

(r) No Preemptive Rights, Options or Other Rights. Except as described in the Preliminary Prospectus and the Prospectus or for any such rights which have been effectively complied with or waived, (i) no person has the right, contractual or otherwise, to cause the Partnership to issue or register any equity interests in the Partnership or any other Partnership Entity, (ii) there are no statutory or contractual preemptive rights, resale rights, rights of first refusal or other rights to subscribe for or to purchase, nor any restriction upon voting or transfer of, any partnership or membership interests in the Partnership Entities, and (iii) other than the Underwriters, no person has the right to act as an underwriter, or as a financial advisor to the Partnership, in

connection with the offer and sale of the Units, in the case of each of the foregoing clauses (i), (ii) and (iii), whether as a result of the filing or the effectiveness of the Registration Statement or the offering or sale of the Units as contemplated thereby or otherwise; and except as described in the Preliminary Prospectus and the Prospectus, there are no outstanding options or warrants to purchase any Common Units, Incentive Distribution Rights or other interests in the Partnership or any other Partnership Entity.

(s) Authority. The Partnership has all requisite power and authority to (i) issue, sell and deliver the Units, in accordance with and upon the terms and conditions set forth in this Agreement, the Partnership Agreement, the Registration Statement, the Pricing Disclosure Package and the Prospectus, and (ii) consummate the transactions contemplated by this Agreement; the Partnership has all requisite power and authority to execute and deliver this Agreement and to perform its obligations hereunder; and at each Delivery Date, all partnership and limited liability company action, as the case may be, required to be taken by any of the Partnership Entities or any of their securityholders, partners or members for (A) the authorization, issuance, sale and delivery of the Units, (B) the authorization, execution and delivery of this Agreement and (C) the consummation of the transactions contemplated by this Agreement, shall have been validly taken.

(t) Authorization of the Agreement. This Agreement has been duly authorized and validly executed and delivered by the Partnership.

(u) Authorization and Enforceability of Other Agreements.

(i) The ETP LLC limited liability company agreement has been duly authorized, executed and delivered by ETE, and is a valid and legally binding agreement of ETE, enforceable against ETE in accordance with its terms;

(ii) The GP LP Agreement has been duly authorized, executed and delivered by ETP LLC and ETE, and is a valid and legally binding agreement of ETP LLC and ETE, enforceable against ETP LLC and ETE in accordance with its terms; and

(iii) The Partnership Agreement has been duly authorized, executed and delivered by the General Partner and is a valid and legally binding agreement of the General Partner, enforceable against the General Partner in accordance with its terms;

provided that, with respect to each agreement described in Section 1(u)(i) and (ii) above, the enforceability thereof may be limited by bankruptcy, insolvency, fraudulent transfer, reorganization, moratorium and similar laws relating to or affecting creditors’ rights generally and by general principles of equity (regardless of whether such enforceability is considered in a proceeding in equity or at law); and provided, further, that the indemnity, contribution and exoneration provisions contained in any of such agreements may be limited by federal or state securities laws and public policy.

(v) No Violations. None of the (i) offering, issuance and sale by the Partnership of the Units, (ii) execution, delivery and performance of this Agreement by the Partnership, (iii) consummation of the transactions contemplated by this Agreement or (iv) application of the proceeds from the sale of the Units as described under “Use of Proceeds” in each of the Preliminary

Prospectus and the Prospectus (A) conflicts or will conflict with or constitutes or will constitute a breach or violation of any provision of the certificate of limited partnership or agreement of limited partnership, certificate of formation or limited liability company or operating agreement or any other organizational or governing documents of any of the Partnership Entities, (B) conflicts or will conflict with or constitutes or will constitute a breach or violation of, or a default under (or an event which, with notice or lapse of time or both, would constitute such a default), any indenture, mortgage, deed of trust, loan agreement, lease, license or other agreement or instrument to which the Partnership or any of the Subsidiaries is a party or by which any of them or any of their respective properties or assets may be bound, (C) violates or will violate any statute, law or regulation or any order, judgment, ruling, decree or injunction of any court or governmental agency or body having jurisdiction over the Partnership or any direct or indirect subsidiary of the Partnership (collectively, the “Subsidiaries”) or any of their assets or properties or (D) results or will result in the creation or imposition of any lien, charge or encumbrance upon any property or assets of any of the Partnership Entities or any of the Subsidiaries, except with respect to clauses (B), (C) or (D) as would not have a Material Adverse Effect or adversely affect the transactions contemplated by this Agreement.

(w) No Consents. No permit, consent, approval, authorization, order, registration, filing or qualification of or with any court, governmental agency or body having jurisdiction over any of the Partnership Entities or any of the Subsidiaries or any of their respective properties or assets (each a “Consent”) is required in connection with the offering, issuance and sale by the Partnership of the Units, the execution, delivery and performance of this Agreement by the Partnership, the consummation of the transactions contemplated hereby, or the application of the proceeds from the sale of the Units as described under “Use of Proceeds” in each of the Preliminary Prospectus and the Prospectus, except for such Consents (i) required under the Securities Act, the Exchange Act, and state securities or Blue Sky laws in connection with the purchase and sale of the Units by the Underwriters, (ii) that have been, or prior to each Delivery Date will be, obtained and (iii) that, if not obtained, would not, individually or in the aggregate, have a Material Adverse Effect.

(x) No Registration Rights. Except as described in the Preliminary Prospectus and the Prospectus, there are no contracts, agreements or understandings between any of the Partnership Entities and any person granting such person the right to require the Partnership to file a registration statement under the Securities Act with respect to any securities of any of the Partnership Entities owned or to be owned by such person or to require the Partnership to include such securities in the securities registered pursuant to the Registration Statement or in any securities being registered pursuant to any other registration statement filed by any of the Partnership Entities under the Securities Act.

(y) Other Sales. The Partnership has not sold or issued any securities that would be integrated with the offering of the Units contemplated by this Agreement pursuant to the Securities Act, the Rules and Regulations or the interpretations thereof by the Commission.

(z) No Material Adverse Change. Neither the Partnership nor any Subsidiary has sustained, since the date of the latest audited financial statements included or incorporated by reference in the Preliminary Prospectus, any material loss or interference with its business from fire, explosion, flood or other calamity, whether or not covered by insurance, or from any labor dispute or court or governmental action, investigation, order or decree, otherwise than as set forth

or contemplated in the Preliminary Prospectus; and, since such date, there has not been any (i) material change in the capitalization or in the long-term debt of the General Partner or the capitalization or consolidated long-term debt of the Partnership and the Subsidiaries, taken as a whole, otherwise than as set forth in the Preliminary Prospectus or (ii) material adverse change, or any development involving, or which may reasonably be expected to involve, a prospective material adverse change, in or affecting the general affairs, management, condition (financial or other), securityholders’ equity, assets, properties, capitalization, results of operations or business of the Partnership and the Subsidiaries, taken as a whole, otherwise than as set forth or contemplated in the Preliminary Prospectus.

(aa) Capitalization and Financial Statements. At June 30, 2017, the Partnership had, on the consolidated basis indicated in the Preliminary Prospectus (and any amendment or supplement thereto), a capitalization as set forth therein. The historical financial statements (including the related notes and supporting schedules) included or incorporated by reference in the Registration Statement and the Preliminary Prospectus (and any amendment or supplement thereto) comply as to form in all material respects with the requirements of Regulation S-X under the Securities Act and the Exchange Act and present fairly in all material respects the financial position, results of operations and cash flows of the entities purported to be shown thereby on the basis stated therein at the respective dates and for the respective periods to which they apply, and have been prepared in conformity with accounting principles generally accepted in the United States (“GAAP”) consistently applied throughout the periods involved, except to the extent disclosed therein. The interactive data in eXtensible Business Reporting Language included or incorporated by reference in the Registration Statement, the Preliminary Prospectus or the Prospectus fairly presents the information called for in all material respects and was prepared in accordance with the Commission’s rules and guidelines applicable thereto.

(bb) Independent Registered Public Accounting Firm. Grant Thornton LLP, who has certified certain financial statements of the Partnership and its Subsidiaries, whose reports are included or incorporated by reference in the Registration Statement, the Preliminary Prospectus and the Prospectus (and any amendment or supplement thereto) and who has delivered the initial letter referred to in Section 7(h) hereof, is and has been, during the periods covered by the financial statements on which it reported contained or incorporated by reference in the Registration Statement and the Preliminary Prospectus and the Prospectus (and any amendment or supplement thereto), an independent registered public accounting firm with respect to the Partnership and its Subsidiaries as required by the Securities Act and the Rules and Regulations and the Public Company Accounting Oversight Board (United States) (the “PCAOB”).

(cc) Title to Properties. The Partnership and each of the Subsidiaries have good and indefeasible title to all real property and good title to all personal property described in the Preliminary Prospectus and the Prospectus as being owned by each of them, in each case, free and clear of all Liens and other defects, except (i) as described and qualified in the Preliminary Prospectus and the Prospectus or (ii) such as do not materially affect the use of such properties taken as a whole as they have been used in the past and are proposed to be used in the future as described in the Preliminary Prospectus and the Prospectus; provided, that, with respect to title to pipeline rights-of-way, the Partnership represents only that (A) each applicable Subsidiary has sufficient title to enable it to use and occupy the pipeline rights-of-way as they have been used and occupied in the

past and are to be used and occupied in the future as described in the Preliminary Prospectus and the Prospectus and (B) any lack of title to the pipeline rights-of-way will not have a Material Adverse Effect. All of the real property and buildings held under lease by the Partnership and each Subsidiary are held under valid, subsisting and enforceable leases, with such exceptions as would not materially interfere with the use of such properties, taken as a whole, as described in the Preliminary Prospectus and the Prospectus.

(dd) Permits. The Partnership and each of the Subsidiaries have, or at the Delivery Date will have, such permits, consents, licenses, franchises, certificates and authorizations of governmental or regulatory authorities (collectively, “Permits”) as are necessary to own or lease its properties and to conduct its business in the manner described in the Preliminary Prospectus and the Prospectus, subject to such qualifications as may be set forth in the Preliminary Prospectus and the Prospectus and except for such Permits that, if not obtained, would not have, individually or in the aggregate, a Material Adverse Effect; the Partnership and each of the Subsidiaries have, or at the Delivery Date will have, fulfilled and performed all its material obligations with respect to such Permits in the manner described, and subject to the limitations contained in the Preliminary Prospectus and the Prospectus and no event has occurred that would prevent the Permits from being renewed or reissued or that allows, or after notice or lapse of time would allow, revocation or termination thereof or results or would result in any impairment of the rights of the holder of any such Permit, except for such non-renewals, non-issues, revocations, terminations and impairments that would not, individually or in the aggregate, have a Material Adverse Effect.

(ee) Insurance. The Partnership and each of the Subsidiaries carry, or are covered by, insurance from insurers of recognized financial responsibility in such amounts and covering such risks as is reasonably adequate for the conduct of their respective businesses and the value of their respective properties and as is customary for businesses engaged in similar businesses in similar industries, and none of the Partnership Entities has received notice of cancellation or non-renewal of such insurance or notice that substantial capital improvements or other expenditures will have to be made in order to continue such insurance. All such policies of insurance are outstanding and in full force and effect on the date hereof and will be outstanding and in full force and effect on each Delivery Date; and the Partnership and each of the Subsidiaries are in compliance with the terms of such policies in all material respects.

(ff) Intellectual Property. The Partnership and each of the Subsidiaries own or possess adequate rights to use all patents, patent applications, trademarks, service marks, trade names, trademark registrations, service mark registrations, copyrights, licenses and know-how (including trade secrets and other unpatented and/or unpatentable proprietary or confidential information, systems or procedures) necessary for the conduct of their respective businesses, and neither the Partnership nor, to the knowledge of the Partnership, any Subsidiary, has reason to believe that the conduct of their respective businesses will conflict with any such rights of others or are aware of any claim or any challenge by any other person to the rights of the Partnership or any of the Subsidiaries with respect to the foregoing.

(gg) Adequate Disclosure and Descriptions. All legal or governmental proceedings, affiliate transactions, off-balance sheet transactions (including, without limitation, transactions related to, and the existence of, “variable interest entities” within the meaning of Financial

Accounting Standards Board Interpretation No. 46), contracts, licenses, agreements, properties, leases or documents of a character required to be described in the Registration Statement, the Preliminary Prospectus or the Prospectus or to be filed as an exhibit to the Registration Statement have been so described or filed as required; and the statements (i) set forth or incorporated by reference in the Registration Statement, the Preliminary Prospectus and the Prospectus under the captions “Description of the Common Units,” “Cash Distributions,” and “Material U.S. Federal Income Tax Considerations,” and (ii) in the Partnership’s Annual Report on Form 10-K for the year ended December 31, 2016, under the captions “Business—Safety Regulation,” “Business—Environmental Regulation,” and “Business—Rate Regulation,” in each case, as such matters have been updated by any subsequent Annual Report on Form 10-K, Quarterly Report on Form 10-Q, or Current Report on Form 8-K filed by the Partnership with the Commission, insofar as such statements summarize agreements, documents or proceedings discussed therein, are accurate in all material respects.

(hh) Related Party Transactions. No relationship, direct or indirect, exists between or among (i) the Partnership and the Subsidiaries, on the one hand, and (ii) the securityholders, customers, suppliers, directors or officers of ETP LLC or any of its affiliates, including ETE, on the other hand, which is required to be described in the Preliminary Prospectus or the Prospectus and is not so described; there are no outstanding loans, advances (except normal advances for business expenses in the ordinary course of business) or guarantees of indebtedness by the Partnership or the Subsidiaries to or for the benefit of any of the officers or directors of any Partnership Entity or their respective family members, except as disclosed in the Registration Statement, the Preliminary Prospectus and the Prospectus; and neither the Partnership nor any Subsidiary has, in violation of the Sarbanes-Oxley Act of 2002, directly or indirectly, extended or maintained credit, arranged for the extension of credit, or renewed an extension of credit, in the form of a personal loan to or for any director or executive officer of any Partnership Entity.

(ii) No Labor Dispute. No labor disturbance by the employees of the Partnership or any Subsidiary (and to the extent they perform services on behalf of the Partnership or any Subsidiary, employees of ETP LLC or any affiliate of ETP LLC), exists or, to the knowledge of the Partnership, is imminent or threatened, that is reasonably likely to have a Material Adverse Effect.

(jj) Employee Benefit Matters. To the Partnership’s knowledge after due inquiry, there has been no violation of any federal, state, local or foreign law relating to discrimination in the hiring, promotion or pay of employees, any applicable wage or hour laws or any provision of the Employee Retirement Income Security Act of 1974 or the rules and regulations promulgated thereunder concerning the employees providing services to the Partnership or any Subsidiary.

(kk) Tax Returns. The Partnership and each of the Subsidiaries have filed (or has obtained extensions with respect to) all material federal, state and local income and franchise tax returns required to be filed through the date of this Agreement, which such returns are complete and correct in all material respects, and has timely paid all taxes shown to be due pursuant to such returns, other than those (i) that, if not paid, would not have a Material Adverse Effect or (ii) that are being contested in good faith and for which adequate reserves have been established in accordance with GAAP. No tax deficiency has been determined adversely to the Partnership or any of the Subsidiaries which has had (nor does the Partnership have any knowledge of any tax deficiency which, if

determined adversely to the Partnership or any of the Subsidiaries, might have) a Material Adverse Effect.

(ll) No Changes. Since the date as of which information is given in the Preliminary Prospectus through the date of this Agreement, and except as may otherwise be disclosed in the Preliminary Prospectus, there has not been (i) any material adverse change, or any development involving, singly or in the aggregate, a prospective material adverse change, in the business, properties, management, financial condition, prospects, net worth or results of operations of the Partnership Entities in the aggregate, on the one hand, and/or the Partnership and the Subsidiaries (taken as a whole), on the other hand, (ii) any transaction that is material to the Partnership or any Subsidiary (taken as a whole), (iii) any obligation or liability, direct or contingent (including any off-balance sheet obligations), incurred by any of the Partnership Entities or any of the Subsidiaries that is material to the Partnership and the Subsidiaries (taken as a whole), (iv) any material change in the capitalization, ownership or outstanding indebtedness of any of the Partnership Entities or (v) any dividend or distribution of any kind declared, other than quarterly distributions of Available Cash (as defined in the Partnership Agreement), paid or made on the securities of the Partnership or any Subsidiary, in each case whether or not arising from transactions in the ordinary course of business.

(mm) Books and Records. The Partnership (i) makes and keeps books, records and accounts, that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of assets of the Partnership and (ii) maintains a system of internal accounting controls sufficient to provide reasonable assurances that (A) transactions are executed in accordance with management’s general or specific authorization, (B) transactions are recorded as necessary to permit preparation of financial statements in conformity with GAAP and to maintain accountability for the Partnership’s consolidated assets, (C) access to assets is permitted only in accordance with management’s general or specific authorization and (D) the recorded accountability for assets is compared with existing assets at reasonable intervals and appropriate action is taken with respect to any differences.

(nn) No Default. None of the Partnership Entities nor any of the Material Subsidiaries is in violation of its certificate of limited partnership or agreement of limited partnership, certificate of formation or limited liability company agreement or any other organizational or governing documents. None of the Partnership Entities nor any of the Subsidiaries is: (i) in breach or default in any material respect, and no event has occurred that, with notice or lapse of time or both, would constitute such a breach or default, in the performance or observance of any term, covenant or condition contained in any bond, debenture, note or any other evidence of indebtedness or any agreement, indenture, mortgage, deed of trust, loan agreement, lease, license or other agreement or instrument to which it is a party or by which it is bound or to which any of its properties or assets is subject; or (ii) in violation of any statute or any order, rule or regulation of any court or governmental agency or body having jurisdiction over it or its property or assets or has failed to obtain any Permit necessary to the ownership of its property or to the conduct of its business, except in the case of clauses (i) and (ii) as would not, if continued, have a Material Adverse Effect, or would not materially impair the ability of the Partnership to perform its obligations under this Agreement. To the knowledge of the Partnership, no third party to any indenture, mortgage, deed of trust, loan agreement, guarantee, lease or other agreement or instrument to which any of the Partnership Entities or any of the Subsidiaries is a party or by which any of them are bound or to

which any of their properties are subject, is in default under any such agreement, which breach, default or violation would, if continued, have a Material Adverse Effect.

(oo) Environmental Compliance. Except as described in the Preliminary Prospectus and the Prospectus, the Partnership and the Subsidiaries (i) are in compliance with any and all applicable federal, state and local laws, regulations, ordinances, rules, orders, judgments, decrees, permits or other legally enforceable requirements relating to the protection of human health and safety, the environment or natural resources or imposing liability or standards of conduct concerning any Hazardous Materials (as defined below) (“Environmental Laws”), (ii) have received or timely applied for and, as necessary and applicable, maintained all permits required of them under applicable Environmental Laws to conduct their respective businesses, (iii) are in compliance with all terms and conditions of any such permits, (iv) have not received written notice of any, and to the knowledge of the Partnership after due inquiry there are no, pending event or circumstances that could reasonably be expected to form the basis for any actual or potential liability for the investigation or remediation of any disposal or release of hazardous or toxic substances or wastes, pollutants or contaminants and (v) have not been named as a “potentially responsibly party” under the Comprehensive Environmental Response, Compensation and Liability Act of 1980, as amended (“CERCLA”), or any other analogous state Superfund statute, except where such noncompliance with Environmental Laws, failure to receive and maintain required permits, failure to comply with the terms and conditions of such permits, liability in connection with such releases or naming as a potentially responsible party under CERCLA would not, individually or in the aggregate, be reasonably expected to have a Material Adverse Effect. The term “Hazardous Material” means (A) any “hazardous substance” as defined in CERCLA, (B) any “hazardous waste” as defined in the Resource Conservation and Recovery Act, as amended, (C) any petroleum or petroleum product, (D) any polychlorinated biphenyl and (E) any pollutant or contaminant or hazardous, dangerous or toxic chemical, material, waste or substance regulated under or within the meaning of any other Environmental Law. Except as described in the Preliminary Prospectus and the Prospectus, (1) neither the Partnership nor any of the Subsidiaries is a party to a proceeding under Environmental Laws in which a governmental authority is also a party, other than such proceedings regarding which it believes no monetary penalties of $100,000 or more ultimately will be imposed against it and (2) neither the Partnership nor any of the Subsidiaries anticipate material capital expenditures relating to Environmental Laws.

(pp) Investment Company. Neither the Partnership nor any Subsidiary is, and as of the applicable Delivery Date and, after giving effect to the offer and sale of the Units to be sold by the Partnership hereunder and application of the net proceeds from such sale as described in the Preliminary Prospectus and the Prospectus under the caption “Use of Proceeds,” none of them will be, an “investment company” within the meaning of the Investment Company Act of 1940, as amended (the “Investment Company Act”), and the rules and regulations of the Commission thereunder.

(qq) No Legal Actions or Violations. Except as described in the Preliminary Prospectus and the Prospectus, there is (i) no action, suit, claim, investigation or proceeding before or by any court, arbitrator or governmental agency, body or official, domestic or foreign, now pending or, to the knowledge of the Partnership, threatened or contemplated, to which the Partnership Entities, any Subsidiary or any ETP LLC’s officers and directors is or would be a party or to which any of

their respective properties is or would be subject at law or in equity and (ii) no statute, rule, regulation or order that has been enacted, adopted or issued by any governmental agency or that, to the knowledge of the Partnership, has been proposed by any governmental agency, that, in the case of clauses (i) and (ii) above, is reasonably expected to (A) have a Material Adverse Effect, (B) prevent or result in the suspension of the offering and issuance of the Units, or (C) in any manner draw into question the validity of this Agreement or the transactions contemplated hereby.

(rr) NYSE Listing. The Units have been approved for listing on the New York Stock Exchange, Inc. (the “NYSE”), subject only to official notice of issuance.

(ss) Statistical Data. The statistical and market-related data included in the Preliminary Prospectus and the Registration Statement are based on or derived from sources which the Partnership believes to be reliable and accurate in all material respects.

(tt) Disclosure Controls and Procedures. The Partnership has established and maintains disclosure controls and procedures (as such term is defined in Rule 13a-15 under the Exchange Act), which (i) are designed to ensure that material information relating to the Partnership, including its consolidated subsidiaries, is made known to the General Partner’s principal executive officer and its principal financial officer by others within those entities, particularly during the periods in which the periodic reports required under the Exchange Act are being prepared, (ii) have been evaluated for effectiveness as of the date of the most recent audited financial statements and (iii) are effective in all material respects to perform the functions for which they were established.

(uu) Internal Control Over Financial Reporting. Since the date of the most recent audited balance sheet of the Partnership and its consolidated subsidiaries reviewed or audited by Grant Thornton LLP and the audit committee of the board of directors of ETP LLC (“Audit Committee”), (i) the Partnership’s auditors and the Audit Committee have been advised of (A) all significant deficiencies in the design or operation of internal control over financial reporting that could adversely affect the ability of the Partnership and each of its subsidiaries to record, process, summarize and report financial data, or any material weaknesses in internal control over financial reporting and (B) all fraud, whether or not material, that involves management or other employees who have a significant role in the internal control over financial reporting of the Partnership and each of its subsidiaries, and (ii) there have been no changes in internal control over financial reporting, including any corrective actions with regard to significant deficiencies and material weaknesses, that has materially affected, or is reasonably likely to materially affect, the Partnership’s internal control over financial reporting. The Partnership and its consolidated subsidiaries maintain internal accounting controls sufficient to provide reasonable assurance that interactive data in eXtensible Business Reporting Language included or incorporated by reference in the Registration Statement, the Preliminary Prospectus and the Prospectus is prepared in accordance with the Commission’s rules and guidelines applicable thereto.

(vv) No Distribution of Offering Materials. None of the Partnership Entities or, to the knowledge of the Partnership, any of their affiliates has distributed nor, prior to the later to occur of any Delivery Date and completion of the distribution of the Units, will they distribute any offering material in connection with the offering and sale of the Units other than the Preliminary Prospectus, the Prospectus, any Issuer Free Writing Prospectus to which the Representative has consented in

accordance with Section 1(i) or 5(a)(vi) and any Issuer Free Writing Prospectus set forth in Annex 3 hereto.

(ww) Compliance with Sarbanes-Oxley. The Partnership is in compliance in all material respects with all applicable provisions of the Sarbanes-Oxley Act of 2002 and the rules and regulations promulgated in connection therewith.

(xx) Forward-Looking Statements. Each “forward-looking statement” (within the coverage of Rule 175(b) of the Securities Act) contained or incorporated by reference in the Registration Statement, the Pricing Disclosure Package and the Prospectus has been made or reaffirmed with a reasonable basis and in good faith.

(yy) No Unlawful Payments. None of the Partnership Entities or any of the Subsidiaries, nor to the knowledge of the Partnership, any director, officer, or employee of any of the Partnership Entities or any of the Subsidiaries or any agent, affiliate or other person associated with or acting on behalf of any of the Partnership Entities or any of the Subsidiaries has (i) used any funds for any unlawful contribution, gift, entertainment or other unlawful expense relating to political activity; (ii) made or taken an act in furtherance of an offer, promise or authorization of any direct or indirect unlawful payment or benefit to any foreign or domestic government or regulatory official or employee, including of any government-owned or controlled entity or of a public international organization, or any person acting in an official capacity for or on behalf of any of the foregoing, or any political party or party official or candidate for political office; (iii) violated or is in violation of any provision of the Foreign Corrupt Practices Act of 1977, as amended, or any applicable law or regulation implementing the OECD Convention on Combating Bribery of Foreign Public Officials in International Business Transactions, or committed an offence under the Bribery Act 2010 of the United Kingdom, or any other applicable anti-bribery or anti-corruption laws; or (iv) made, offered, agreed, requested or taken an act in furtherance of any unlawful bribe or other unlawful benefit, including, without limitation, any rebate, payoff, influence payment, kickback or other unlawful or improper payment or benefit. The Partnership Entities and the Subsidiaries have instituted and maintain and enforce policies and procedures designed to promote and ensure compliance with all applicable anti-bribery and anti-corruption laws.

(zz) Compliance with Money Laundering Laws. The operations of the Partnership Entities and the Subsidiaries are and have been conducted at all times in compliance with applicable financial recordkeeping and reporting requirements, including those of the Currency and Foreign Transactions Reporting Act of 1970, as amended, the applicable money laundering statutes of all jurisdictions where any of the Partnership Entities or any of the Subsidiaries conduct business, the rules and regulations thereunder and any related or similar rules, regulations or guidelines issued, administered or enforced by any governmental or regulatory agency (collectively, the “Anti-Money Laundering Laws”) and no action, suit or proceeding by or before any court or governmental or regulatory agency, authority or body or any arbitrator involving any of the Partnership Entities or any of the Subsidiaries with respect to the Anti-Money Laundering Laws is pending or, to the knowledge of the General Partner and the Partnership, threatened.

(aaa) No Conflicts with Sanctions Laws. None of the Partnership Entities or any Subsidiary, nor to the knowledge of the Partnership, any director, officer, agent, employee or affiliate of any Partnership Entity or any Subsidiary, is currently subject to any sanctions administered by the Office

of Foreign Assets Control of the U.S. Treasury Department (“OFAC”); and the Partnership will not directly or indirectly use the proceeds of the sale of the Units, or lend, contribute or otherwise make available such proceeds to any subsidiary, joint venture partner or other person or entity, for the purpose of financing the activities of any person currently subject to any U.S. sanctions administered by OFAC.

(bbb) Stabilization. None of the Partnership Entities nor any of their respective Affiliates (as such term is defined in Rule 405 promulgated under the Securities Act) has taken and none will take, directly or indirectly, any action designed to or that has constituted or that could reasonably be expected to cause or result in the stabilization or manipulation of the price of any security of the Partnership to facilitate the sale or resale of the Units.

(ccc) No Restrictions on Distributions. Except as described in the Preliminary Prospectus and the Prospectus, no Subsidiary is currently prohibited, directly or indirectly, from paying any dividends to the Partnership, from making any other distribution on such Subsidiary’s equity, from repaying to the General Partner or the Partnership any loans or advances to such entity from the General Partner or the Partnership or from transferring any of such entity’s property or assets to the Partnership or any other Subsidiary.

(ddd) No Restrictions on Distributions. Neither the Partnership nor any Subsidiary is currently prohibited, directly or indirectly, from making distributions in respect of its equity securities, except in each case as described in (i) the Registration Statement, the Pricing Disclosure Package or the Prospectus or (ii) the organizational documents of the Partnership and the Subsidiaries.

Each certificate signed by any officer of ETP LLC and delivered to the Underwriters or counsel for the Underwriters pursuant to this Agreement shall be deemed to be a representation and warranty by the Partnership to the Underwriters as to the matters covered thereby.

Section 2. Purchase of the Units by the Underwriters.

On the basis of the representations and warranties contained in, and subject to the terms and conditions of, this Agreement, the Partnership agrees to sell 54,000,000 Firm Units to the several Underwriters and each of the Underwriters, severally and not jointly, agrees to purchase the number of Firm Units from the Partnership set forth opposite that Underwriter’s name in Schedule 1 hereto. The respective purchase obligations of the Underwriters with respect to the Firm Units shall be rounded among the Underwriters to avoid fractional units, as the Representative may determine.

In addition, the Partnership hereby grants to the Underwriters an option to purchase up to 8,100,000 Option Units. Such option (the “Option”) is exercisable by the Underwriters as provided in Section 4 hereof. Each Underwriter agrees, severally and not jointly, to purchase the number of Option Units (subject to such adjustments to eliminate fractional Common Units as the Representative may determine) that bears the same proportion to the total number of Option Units to be sold on such Delivery Date as the number of Firm Units set forth on Schedule 1 hereto opposite the name of such Underwriter bears to the total number of Firm Units.

The price of both the Firm Units and any Option Units purchased by the Underwriters shall be $18.465 per Common Unit.

The Partnership shall not be obligated to deliver any of the Firm Units or Option Units to be delivered on the applicable Delivery Date, except upon payment for all the Units to be purchased on such Delivery Date as provided herein.

The Partnership agrees that any Option Units issued by the Partnership upon exercise of the Option will be entitled to receive any distributions declared by the Partnership and payable on the Firm Units during the period beginning on the First Delivery Date and ending on the Delivery Date with respect to such Option Units.

Section 3. Offering of Units by the Underwriters.

Upon authorization by the Representative of the release of the Firm Units, the several Underwriters propose to offer the Firm Units for sale upon the terms and conditions to be set forth in the Prospectus.

Section 4. Delivery of and Payment for the Units.

Delivery of and payment for the Firm Units shall be made at the offices of Andrews Kurth Kenyon LLP, 600 Travis, Suite 4200, Houston, Texas 77002, beginning at 8:30 a.m., Houston, Texas time, on August 18, 2017 or at such other date or place as shall be determined by agreement between the Representative and the Partnership. This date and time are sometimes referred to as the “First Delivery Date.” Delivery of the Firm Units shall be made to the Representative for the account of each Underwriter against payment by the several Underwriters through the Representative of the respective aggregate purchase price of the Firm Units being sold by the Partnership to or upon the order of the Partnership by wire transfer in immediately available funds to the accounts specified by the Partnership. Time shall be of the essence, and delivery at the time and place specified pursuant to this Agreement is a further condition of the obligation of each Underwriter hereunder. The Partnership shall deliver the Firm Units through the facilities of The Depository Trust Company (“DTC”) unless the Representative shall otherwise instruct.

The Option granted in Section 2 will expire thirty (30) days after the date of this Agreement and may be exercised in whole or from time to time in part by written or telegraphic notice being given to the Partnership by the Representative; provided that if such date falls on a day that is not a business day, the Option will expire on the next succeeding business day. Such notice shall set forth the aggregate number of Option Units as to which the Option is being exercised, the names in which the Option Units are to be registered, the denominations in which the Option Units are to be issued and the date and time, as determined by the Representative, when the Option Units are to be delivered; provided, however, that this date and time shall not be earlier than the First Delivery Date nor earlier than the second business day after the date on which the Option shall have been exercised nor later than the fifth business day after the date on which the Option shall have been exercised. Each date and time the Option Units are delivered is sometimes referred to as a “Second Delivery Date” and the First Delivery Date and any Second Delivery Date are sometimes each referred to as a “Delivery Date.”

Delivery of the Option Units by the Partnership and payment for the Option Units by the several Underwriters through the Representative shall be made at the place specified in the first sentence of the first paragraph of this Section 4 (or at such other place as shall be determined by agreement between the Representative and the Partnership) beginning at 8:30 a.m., Houston, Texas time, on such Second Delivery Date. Delivery of the Option Units shall be made to the Representative for the account of each Underwriter against payment by the several Underwriters through the Representative of the respective aggregate purchase price of the Option Units being sold by the Partnership to or upon the order of the Partnership by wire transfer in immediately available funds to the accounts specified by the Partnership. Time shall be of the essence, and delivery at the time and place specified pursuant to this Agreement is a further condition of the obligation of each Underwriter hereunder. The Partnership shall deliver the Option Units through the facilities of DTC unless the Representative shall otherwise instruct.

Section 5. Further Agreements of the Partnership and each Underwriter.

(a) The Partnership covenants and agrees with each Underwriter:

(i) Preparation of Prospectus and Registration Statement. (A) To prepare the Prospectus in a form approved by the Representative and to file such Prospectus pursuant to Rule 424(b) under the Securities Act not later than the Commission’s close of business on the second business day following the execution and delivery of this Agreement or, if applicable, such earlier time as may be required by Rule 430B of the Rules and Regulations; (B) to make no further amendment or any supplement to the Registration Statement or the Prospectus prior to the last Delivery Date except as permitted herein; (C) to advise the Representative, promptly after it receives notice thereof, of the time when any amendment to the Registration Statement has been filed or becomes effective or any supplement to the Prospectus or any amended Prospectus has been filed and to furnish the Representative with copies thereof; (D) to file promptly all reports and other documents required to be filed by the Partnership with the Commission pursuant to Section 13(a), 13(c), 14 or 15(d) of the Exchange Act subsequent to the date of the Prospectus and for so long as the delivery of a prospectus is required in connection with the offering or sale of the Units; (E) to advise the Representative, promptly after it receives notice thereof, of the issuance by the Commission of any stop order or of any order preventing or suspending the use of, the Registration Statement, the Preliminary Prospectus, the Prospectus or any Issuer Free Writing Prospectus, of the suspension of the qualification of the Units for offering or sale in any jurisdiction, of the initiation or threatening of any proceeding for any such purpose or pursuant to Section 8A of the Securities Act, or of any request by the Commission for the amending or supplementing of the Registration Statement, the Prospectus or any Issuer Free Writing Prospectus or for additional information; (F) in the event of the issuance of any stop order or of any order preventing or suspending the use of the Registration Statement, the Preliminary Prospectus, the Prospectus or any Issuer Free Writing Prospectus or suspending any such qualification, to use promptly its reasonable best efforts to obtain its withdrawal; and (G) to pay any fees required by the Commission relating to the Units within the time required by Rule 456(b)(1) of the Rules and Regulations without regard to the proviso therein and otherwise in accordance with Rules 456(b) and 457(r) of the Rules and Regulations.

(ii) Conformed Copies of Registration Statement. At the request of the Representative, to furnish promptly to each of the Underwriters and to counsel to the Underwriters a conformed copy of the Registration Statement as originally filed with the Commission, and each amendment thereto filed with the Commission, including all consents and exhibits filed therewith.

(iii) Copies of Documents to Underwriters. To deliver promptly to the Representative such number of the following documents as the Representative shall reasonably request: (A) conformed copies of the Registration Statement as originally filed with the Commission and each amendment thereto (in each case excluding exhibits other than this Agreement), (B) each Preliminary Prospectus, the Prospectus and any amended or supplemented Prospectus, (C) each Issuer Free Writing Prospectus and (D) other than documents available via the Commission’s Electronic Data Gathering Analysis and Retrieval System (“EDGAR”), any document incorporated by reference in the Preliminary Prospectus or the Prospectus (excluding exhibits thereto); and, if the delivery of a prospectus is required at any time after the date hereof in connection with the offering or sale of the Units or any other securities relating thereto (or in lieu thereof, the notice referred to in Rule 173(a)) and if at such time any events shall have occurred as a result of which the Pricing Disclosure Package or the Prospectus as then amended or supplemented would include an untrue statement of a material fact or omit to state any material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made when such Prospectus is delivered, not misleading, or, if for any other reason it shall be necessary to amend the Registration Statement or amend or supplement the Pricing Disclosure Package or the Prospectus or to file under the Exchange Act any document incorporated by reference in the Prospectus in order to comply with the Securities Act or the Exchange Act or with a request from the Commission, to notify the Representative and, upon its request, to file such document required to be filed under the Securities Act or the Exchange Act and to prepare and furnish without charge to each Underwriter and to any dealer in securities as many copies as the Representative may from time to time reasonably request of an amended Registration Statement or amended or supplemented Pricing Disclosure Package or the Prospectus that will correct such statement or omission or effect such compliance.

(iv) Filing of Amendment or Supplement. To file promptly with the Commission any amendment or supplement to the Registration Statement, the Pricing Disclosure Package or the Prospectus that may, in the reasonable judgment of the Partnership or the Representative, be required by the Securities Act or the Exchange Act or requested by the Commission.

(v) Copies of Amendments or Supplements. Prior to filing with the Commission any amendment to the Registration Statement or amendment or supplement to the Pricing Disclosure Package or the Prospectus, any document incorporated by reference in the Pricing Disclosure Package or the Prospectus, any amendment to any document incorporated by reference in the Pricing Disclosure Package or the Prospectus or any prospectus pursuant to Rule 424(b) of the Rules and Regulations, to furnish a copy thereof to the Representative and to counsel to the Underwriters upon the Representative’s request and not to file any such document to which the Representative shall reasonably object promptly after having

been given reasonable notice of the proposed filing thereof and a reasonable opportunity to comment thereon unless, in the judgment of counsel to the Partnership, such filing is required by law.

(vi) Issuer Free Writing Prospectus. Not to make any offer relating to the Units that would constitute an Issuer Free Writing Prospectus without the prior written consent of the Representative.

(vii) Retention of Issuer Free Writing Prospectus. To retain in accordance with the Rules and Regulations all Issuer Free Writing Prospectuses not required to be filed pursuant to the Rules and Regulations; and if at any time after the date hereof any events shall have occurred as a result of which any Issuer Free Writing Prospectus, as then amended or supplemented, would conflict with the information in the Registration Statement, the Preliminary Prospectus or the Prospectus or would include an untrue statement of a material fact or omit to state any material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading, or, if for any other reason it shall be necessary to amend or supplement any Issuer Free Writing Prospectus, to notify the Representative and, upon its request, to file such document and to prepare and furnish without charge to each Underwriter as many copies as the Representative may from time to time reasonably request of an amended or supplemented Issuer Free Writing Prospectus that will correct such conflict, statement or omission or effect such compliance.

(viii) Reports to Securityholders. As soon as practicable after the Effective Date, to make generally available via EDGAR, to the Partnership’s securityholders and the Representative an earnings statement of the Partnership and its subsidiaries (which need not be audited) complying with Section 11(a) of the Securities Act and the Rules and Regulations (including, at the option of the Partnership, Rule 158).

(ix) Copies of Reports. For a period of two years following the Effective Date, to furnish, or to make available via EDGAR, to the Representative copies of all materials furnished by the Partnership to its securityholders and all reports and financial statements furnished by the Partnership to the principal national securities exchange or automated quotation system upon which the Units may be listed pursuant to requirements of or agreements with such exchange or system or to the Commission pursuant to the Exchange Act or any rule or regulation of the Commission thereunder.

(x) Blue Sky Registration. Promptly from time to time to take such action as the Representative may reasonably request to qualify the Units for offering and sale under the securities or Blue Sky laws of such jurisdictions as the Representative may request and to comply with such laws so as to permit the continuance of sales and dealings therein in such jurisdictions for as long as may be necessary to complete the distribution of the Units; provided that in connection therewith no Partnership Entity shall be required to (A) qualify as a foreign limited partnership or limited liability company in any jurisdiction where it would not otherwise be required to qualify or (B) to file a general consent to service of process in any jurisdiction.

(xi) Lock-up Period; Lock-up Letters. (A) For a period commencing on the date hereof and ending on the 45th day after the date of the Prospectus (the “Lock-Up Period”), not to, directly or indirectly, (1) offer for sale, sell, pledge or otherwise transfer or dispose of (or enter into any transaction or device that is designed to, or could be expected to, result in the disposition by any person at any time in the future of) any Common Units or securities convertible into or exchangeable for Common Units (other than (w) Common Units issued pursuant to employee benefit plans, qualified unit option plans or other employee compensation plans existing on the date hereof, (x) Common Units issued in connection with any acquisition; provided, that in connection with such issuance, the seller(s) agrees in writing to be bound by the provisions of this Section 5(a)(xi) by executing and delivering to the Representative a letter or letters substantially in the form of Exhibit A hereto, (y) pursuant to currently outstanding options, warrants or rights, or (z) pursuant to the Partnership’s Distribution Reinvestment Plan), or sell or grant options, rights or warrants with respect to any Common Units or securities convertible into or exchangeable for Common Units (other than the grant of options pursuant to option plans existing on the date hereof), or (2) enter into any swap or other derivatives transaction that transfers to another, in whole or in part, any of the economic benefits or risks of ownership of such Common Units or securities convertible into or exchangeable for Common Units, whether any such transaction described in clause (1) or (2) above is to be settled by delivery of Common Units or other securities, in cash or otherwise, (3) file or cause to be filed a registration statement, including any amendments, to register any Common Units or securities convertible, exercisable or exchangeable into Common Units or any other securities of the Partnership (other than any registration statement on Form S-8) or (4) publicly disclose the intention to do any of the foregoing, in each case, without the prior written consent of Barclays Capital Inc. on behalf of the Underwriters; and (B) to cause each person or entity listed on Annex 1 to furnish to Barclays Capital Inc. on or prior to the date hereof (except as indicated on Annex 1), a letter or letters, substantially in the form of Exhibit A hereto.

(xii) NYSE Listing. To apply for the supplemental listing of the Units on the NYSE, and to use its reasonable best efforts to complete that listing, subject only to official notice of issuance, prior to the First Delivery Date.

(xiii) Application of Proceeds. To apply the net proceeds from the sale of the Units being sold by the Partnership as set forth in the Prospectus.

(xiv) Investment Company. To take such steps as shall be necessary to ensure that none of the Partnership Entities shall become an “investment company” as defined in the Investment Company Act.

(xv) No Stabilization or Manipulation. To not directly or indirectly take any action designed to or which constitutes or which might reasonably be expected to cause or result in, under the Exchange Act or otherwise, stabilization or manipulation of the price of any security of the Partnership to facilitate the sale or resale of the Units.

(b) Each Underwriter severally and not jointly agrees that such Underwriter shall not include any “issuer information” (as defined in Rule 433 of the Rules and Regulations) in any “free writing prospectus” (as defined in Rule 405 of the Rules and Regulations but excluding any Issuer

Free Writing Prospectus, including any road show constituting a free writing prospectus under Rule 433 of the Rules and Regulations in connection with the offer and sale of the Units) used or referred to by such Underwriter without the prior consent of the Partnership (any such issuer information with respect to whose use the Partnership has given its consent, “Permitted Issuer Information”); provided that (i) no such consent shall be required with respect to any such issuer information contained in any document filed by the Partnership with the Commission prior to the use of such free writing prospectus and (ii) “issuer information,” as used in this Section 5(b), shall not be deemed to include information prepared by or on behalf of such Underwriter on the basis of or derived from issuer information.

Section 6. Expenses.

The Partnership covenants and agrees, whether or not the transactions contemplated by this Agreement are consummated or this Agreement is terminated, to pay all costs, expenses, fees and taxes incident to and in connection with (a) the authorization, issuance, sale and delivery of the Units and any stamp duties or other taxes payable in that connection; (b) the preparation, printing and filing under the Securities Act of the Registration Statement and any amendments and exhibits thereto, the Preliminary Prospectus, the Prospectus, any Issuer Free Writing Prospectus and any amendment or supplement thereto; (c) the distribution of the Registration Statement as originally filed and each amendment thereto and any post-effective amendments thereof (including, in each case, exhibits), the Preliminary Prospectus, the Prospectus, any Issuer Free Writing Prospectus and any amendment or supplement thereto or any document incorporated by reference therein, all as provided in this Agreement; (d) the production and distribution of this Agreement, any supplemental agreement among Underwriters and any other related documents in connection with the offering, purchase, sale and delivery of the Units; (e) the filing fees incident to securing any required review by the Financial Industry Regulatory Authority, Inc. of the terms of sale of the Units; (f) the listing of the Units on the NYSE and/or any other exchange; (g) the qualification of the Units under the securities laws of the several jurisdictions as provided in Section 5(a)(x) and the preparation, printing and distribution of a Blue Sky Memorandum (including related fees and expenses of counsel to the Underwriters); (h) the printing of certificates representing the Units and of any transfer agent or registrar; (i) the investor presentations on any “road show” undertaken in connection with the marketing of the offering of the Units, including, without limitation, expenses associated with any electronic roadshow, travel and lodging expenses of the representatives and officers of the Partnership Entities and any such consultants and the cost of any aircraft chartered in connection with the road show; and (j) all other costs and expenses incident to the performance of the obligations of the Partnership under this Agreement; provided that, except as provided in this Section 6 and in Sections 8 and 11 hereof, the Underwriters shall pay their own costs and expenses, including the costs and expenses of their counsel, any transfer taxes on the Units which they may sell and the expenses of advertising any offering of the Units made by the Underwriters.

Section 7. Conditions of Underwriter’s Obligations.

The respective obligations of the Underwriters hereunder are subject to the accuracy, when made and on each Delivery Date, of the representations and warranties of the Partnership contained herein, to the performance by the Partnership of its obligations hereunder, and to each of the following additional terms and conditions:

(a) The Prospectus shall have been timely filed with the Commission in accordance with Section 5(a)(i); the Partnership shall have complied with all filing requirements applicable to any Issuer Free Writing Prospectus used or referred to after the date hereof; no stop order suspending the effectiveness of the Registration Statement or preventing or suspending the use of the Prospectus or any Issuer Free Writing Prospectus shall have been issued and no proceeding for such purpose shall have been initiated or threatened by the Commission; and any request of the Commission for inclusion of additional information in the Registration Statement or the Prospectus or otherwise shall have been disclosed to the Representative and complied with to the Representative’s reasonable satisfaction; and the Commission shall not have notified the Partnership or the General Partner of any objection to the use of the form of the Registration Statement.

(b) No Underwriter shall have discovered and disclosed to the Partnership on or prior to such Delivery Date that the Registration Statement, the Prospectus or the Pricing Disclosure Package, or any amendment or supplement thereto, contains an untrue statement of a fact which, in the reasonable opinion of counsel to the Underwriters, is material or omits to state a fact which, in the reasonable opinion of such counsel, is material and is required to be stated therein or in the documents incorporated by reference therein or is necessary to make the statements therein (with respect to the Prospectus and the Pricing Disclosure Package, in the light of the circumstances under which they were made) not misleading.

(c) All corporate, partnership and limited liability company proceedings and other legal matters incident to the authorization, form and validity of this Agreement, the Units, the Registration Statement, the Prospectus and any Issuer Free Writing Prospectus, and all other legal matters relating to this Agreement and the transactions contemplated hereby shall be reasonably satisfactory in all material respects to counsel to the Underwriters, and the Partnership Entities shall have furnished to such counsel all documents and information that they may reasonably request to enable them to pass upon such matters.

(d) Latham & Watkins LLP shall have furnished to the Representative their written opinion, negative assurance letter and tax opinion as counsel to the Partnership, addressed to the Underwriters and dated such Delivery Date, in form and substance reasonably satisfactory to the Representative and to counsel to the Underwriters, substantially in the form attached hereto as Exhibits B-1, B-2 and B-3.

(e) The General Counsel or Associate General Counsel of ETP LLC shall have furnished to the Representative its written opinion, addressed to the Underwriters and dated such Delivery Date, in form and substance reasonably satisfactory to the Representative and to counsel to the Underwriters, substantially in the form attached hereto as Exhibit C.

(f) The Representative shall have received from Andrews Kurth Kenyon LLP, counsel to the Underwriters, such opinion or opinions, dated such Delivery Date, with respect to the issuance and sale of the Units, the Registration Statement, the Prospectus and the Pricing Disclosure Package and other related matters as the Representative may reasonably require, and the Partnership shall have furnished to such counsel such documents as they reasonably request for the purpose of enabling them to pass upon such matters.

(g) The Representative shall have received from Richards, Layton & Finger, P.A., special Delaware counsel to the Partnership, such opinion or opinions, dated such Delivery Date, in form and substance reasonably satisfactory to the Representative and to counsel to the Underwriters, substantially in the form attached hereto as Exhibit D.

(h) At the time of execution of this Agreement, the Representative shall have received from Grant Thornton LLP a letter, in form and substance satisfactory to the Underwriter, addressed to the Underwriters and dated the date hereof (i) confirming that Grant Thornton LLP is an independent registered public accounting firm within the meaning of the Securities Act and the applicable Rules and Regulations and the PCAOB and are in compliance with the applicable requirements relating to the qualification of accountants under Rule 2-01 of Regulation S-X of the Commission, and (ii) stating, as of the date hereof (or, with respect to matters involving changes or developments since the respective dates as of which specified financial information is given in the Preliminary Prospectus, as of a date not more than five (5) days prior to the date hereof), the conclusions and findings of Grant Thornton LLP with respect to the financial information and other matters ordinarily covered by accountants’ “comfort letters” to underwriters in connection with registered public offerings.

(i) With respect to the letter of Grant Thornton LLP referred to in the preceding paragraph and delivered to the Representative concurrently with the execution of this Agreement (the “initial letter”), the Partnership shall have furnished to the Representative a letter (the “bring-down letter”) from Grant Thornton LLP addressed to the Underwriters and dated such Delivery Date (i) confirming that they are an independent registered public accounting firm within the meaning of the Securities Act and the applicable Rules and Regulations and the PCAOB and are in compliance with the applicable requirements relating to the qualification of accountants under Rule 2-01 of Regulation S-X of the Commission, (ii) stating, as of the date of the bring-down letter (or, with respect to matters involving changes or developments since the respective dates as of which specified financial information is given in the Prospectus, as of a date not more than three (3) days prior to the date of the bring-down letter), the conclusions and findings of Grant Thornton LLP with respect to the financial information and other matters covered by the initial letter and (iii) confirming in all material respects the conclusions and findings set forth in the initial letter.

(j) On each Delivery Date, there shall have been furnished to the Representative a certificate, dated such Delivery Date and addressed to the Underwriters, signed on behalf of the General Partner by the chief executive officer and the chief financial officer of ETP LLC, stating, in each case with respect to the entities covered by the certificate, that:

(1) the representations, warranties and agreements of the Partnership contained in this Agreement in Section 1 are true and correct on and as of such Delivery Date, and the Partnership has complied with all the agreements contained in this Agreement and satisfied all the conditions on their part to be performed or satisfied hereunder at or prior to such Delivery Date;

(2) the Prospectus has been timely filed with the Commission in accordance with Section 5(a)(i) of this Agreement; no stop order suspending the effectiveness of the Registration Statement or any part thereof has been issued; and no proceedings for that purpose have been instituted or, to the knowledge of such officers, threatened by the

Commission; all requests of the Commission, if any, for inclusion of additional information in the Registration Statement or the Prospectus or otherwise has been complied with; and the Commission has not notified the Partnership of any objection to the use of the form of the Registration Statement or any post-effective amendment thereto; and

(3) they have carefully examined the Registration Statement, the Prospectus and the Pricing Disclosure Package, and, in their opinion, (A) (i) the Registration Statement, including the documents incorporated by reference therein, as of the most recent Effective Date, (ii) the Prospectus, including the documents incorporated by reference therein, as of its date and on the applicable Delivery Date, and (iii) the Pricing Disclosure Package, as of the Applicable Time, did not and do not contain any untrue statement of a material fact and did not and do not omit to state a material fact required to be stated therein or necessary in order to make the statements therein (in the case of the Prospectus, in the light of the circumstances under which they were made) not misleading, and (B) since the Effective Date, no event has occurred that should have been set forth in a supplement or amendment to the Registration Statement, the Prospectus or any Issuer Free Writing Prospectus that has not been so set forth.

(k) None of the Partnership Entities shall have sustained, since the date of the latest audited financial statements included or incorporated by reference in the Preliminary Prospectus (i) any material loss or interference with its business from fire, explosion, flood, accident or other calamity, whether or not covered by insurance, or from any labor dispute or court or governmental action, investigation, order or decree, otherwise than as set forth or contemplated in the Preliminary Prospectus, or shall have become a party to or the subject of any litigation, court or governmental action, investigation, order or decree that is materially adverse to the Partnership Entities, taken as whole, or (ii) any change or decrease specified in the letter referred to in paragraph (h) or (i) of this Section 7, or any change, or any development involving a prospective material adverse change, in or affecting the general affairs, operations, properties, business, prospects, capitalization, management, condition (financial or otherwise), securityholders’ equity or results of operations or net worth of the Partnership Entities, taken as a whole, other than as set forth or contemplated in the Preliminary Prospectus, the effect of which, in any such case described in clause (i) or (ii) above, is, in the reasonable judgment of the Representative, so material and adverse as to make it impracticable or inadvisable to proceed with the public offering or the delivery of the Units being delivered on such Delivery Date on the terms and in the manner contemplated in the Preliminary Prospectus.

(l) Subsequent to the execution and delivery of this Agreement, no downgrading shall have occurred in the rating accorded the debt securities of any of the Partnership Entities that are rated by any “nationally recognized statistical rating organization” (as that term is defined by the Commission for purposes of Section 3(a)(62) of the Exchange Act).

(m) Subsequent to the execution and delivery of this Agreement there shall not have occurred any of the events described in Section 10(i)-(iv) hereof.

(n) The NYSE shall have approved the Units for listing, subject only to official notice of issuance.

(o) On or prior to the First Delivery Date, pursuant to Section 5(a)(xi) hereof, each person or entity listed on Annex 1 shall have furnished to you a letter substantially in the form of Exhibit A hereto.

(p) The Partnership shall have furnished the Representative such additional documents and certificates as the Representative or counsel to the Underwriters may reasonably request.

All opinions, letters, documents, evidence and certificates mentioned above or elsewhere in this Agreement shall be deemed to be in compliance with the provisions hereof only if they are in form and substance reasonably satisfactory to the Representative and to counsel to the Underwriters.

Section 8. Indemnification and Contribution.

(a) The Partnership shall indemnify and hold harmless each Underwriter, the directors, officers, employees and agents of each Underwriter, affiliates of any Underwriter who have participated in the distribution of the Securities as underwriters, and each person, if any, who controls any Underwriter within the meaning of Section 15 of the Securities Act, from and against any loss, claim, damage or liability, joint or several, or any action in respect thereof (including, but not limited to, any loss, claim, damage, liability or action relating to purchases and sales of Units), to which that Underwriter, director, officer, employee, agent, affiliate or controlling person may become subject, under the Securities Act or otherwise, insofar as such loss, claim, damage, liability or action arises out of, or is based upon, (i) any untrue statement or alleged untrue statement of a material fact contained in (A) the Preliminary Prospectus, the Registration Statement, the Prospectus or in any amendment or supplement thereto, (B) any Issuer Free Writing Prospectus or in any amendment or supplement thereto, (C) any Permitted Issuer Information used or referred to in any “free writing prospectus” (as defined in Rule 405 of the Rules and Regulations) used or referred to by any Underwriter, or (D) any “road show” (as defined in Rule 433 of the Rules and Regulations) not constituting an Issuer Free Writing Prospectus (a “Non-Prospectus Road Show”) or (E) any Blue Sky application or other document prepared or executed by the Partnership (or based upon any written information furnished by the Partnership for use therein) specifically for the purpose of qualifying any or all of the Units under the securities laws of any state or other jurisdiction (any such application, document or information being hereinafter called a “Blue Sky Application”), (ii) the omission or alleged omission to state in the Preliminary Prospectus, the Registration Statement, the Prospectus, any Issuer Free Writing Prospectus or in any amendment or supplement thereto or in any Permitted Issuer Information, any Non-Prospectus Road Show or any Blue Sky Application, any material fact required to be stated therein or necessary to make the statements therein (in the case of all of the foregoing, other than the Registration Statement, in the light of the circumstances under which they were made) not misleading, or (iii) any act or failure to act or any alleged act or failure to act by any Underwriter in connection with, or relating in any manner to, the Units or the offering contemplated hereby, and which is included as part of or referred to in any loss, claim, damage, liability or action arising out of or based upon matters covered by clause (i) or (ii) above (provided that the Partnership shall not be liable under this clause (iii) to the extent that it is determined in a final judgment by a court of competent jurisdiction that such loss, claim, damage, liability or action resulted directly from any such acts or failures to act undertaken or omitted to be taken by such Underwriter through its gross negligence or willful misconduct), and shall reimburse

each Underwriter and each such director, officer, employee, agent, affiliate or controlling person promptly upon demand for any legal or other expenses reasonably incurred by that Underwriter, director, officer, employee, agent, affiliate or controlling person in connection with investigating or defending or preparing to defend against any such loss, claim, damage, liability or action as such expenses are incurred; provided, however, that the Partnership shall not be liable in any such case to the extent that any such loss, claim, damage, liability or action arises out of, or is based upon, any untrue statement or alleged untrue statement or omission or alleged omission made in the Preliminary Prospectus, the Registration Statement, the Prospectus, any Issuer Free Writing Prospectus, or in any such amendment or supplement thereto or in any Permitted Issuer Information, any Non-Prospectus Road Show or any Blue Sky Application, in reliance upon and in conformity with written information concerning such Underwriter furnished to the Partnership through the Representative by or on behalf of any Underwriter specifically for inclusion therein, which information consists solely of the information specified in Section 8(e) hereof. The foregoing indemnity agreement is in addition to any liability which the Partnership may otherwise have to any Underwriter or to any director, officer, employee, agent, affiliate or controlling person of that Underwriter.

(b) Each Underwriter, severally and not jointly, shall indemnify and hold harmless the Partnership, its respective employees, the officers and directors of ETP LLC, and each person, if any, who controls the Partnership within the meaning of Section 15 of the Securities Act, from and against any loss, claim, damage or liability, joint or several, or any action in respect thereof, to which the Partnership or any such officer, director, employee or controlling person may become subject, under the Securities Act or otherwise, insofar as such loss, claim, damage, liability or action arises out of, or is based upon, (i) any untrue statement or alleged untrue statement of a material fact contained in the Preliminary Prospectus, the Registration Statement, the Prospectus, any Issuer Free Writing Prospectus or in any amendment or supplement thereto or in any Non-Prospectus Road Show or Blue Sky Application, or (ii) the omission or alleged omission to state in the Preliminary Prospectus, the Registration Statement, the Prospectus, any Issuer Free Writing Prospectus or in any amendment or supplement thereto or in any Non-Prospectus Road Show or Blue Sky Application, any material fact required to be stated therein or necessary to make the statements therein in light of the circumstances under which they were made not misleading, but in each case only to the extent that the untrue statement or alleged untrue statement or omission or alleged omission was made in reliance upon and in conformity with written information concerning such Underwriter furnished to the Partnership through the Representative by or on behalf of that Underwriter specifically for inclusion therein, which information is limited to the information set forth in Section 8(e) hereof. The foregoing indemnity agreement is in addition to any liability that any Underwriter may otherwise have to the Partnership or any such officer, director, employee or controlling person.

(c) Promptly after receipt by an indemnified party under this Section 8 of notice of any claim or the commencement of any action, the indemnified party shall, if a claim in respect thereof is to be made against the indemnifying party under this Section 8, notify the indemnifying party in writing of the claim or the commencement of that action; provided, however, that the failure to notify the indemnifying party shall not relieve it from any liability which it may have under this Section 8 except to the extent it has been materially prejudiced by such failure and, provided, further, that the failure to notify the indemnifying party shall not relieve it from any liability which it may

have to an indemnified party otherwise than under this Section 8. If any such claim or action shall be brought against an indemnified party, and it shall notify the indemnifying party thereof, the indemnifying party shall be entitled to participate therein and, to the extent that it wishes, jointly with any other similarly notified indemnifying party, to assume the defense thereof with counsel reasonably satisfactory to the indemnified party. After notice from the indemnifying party to the indemnified party of its election to assume the defense of such claim or action, the indemnifying party shall not be liable to the indemnified party under this Section 8 for any legal or other expenses subsequently incurred by the indemnified party in connection with the defense thereof other than reasonable costs of investigation; provided, however, that the Representative shall have the right to employ counsel to represent jointly the Representative and those other Underwriters and their respective directors, officers, employees, agents, affiliates and controlling persons who may be subject to liability arising out of any claim in respect of which indemnity may be sought by the Underwriters against the Partnership under this Section 8 if, (i) the Partnership and the Underwriters shall have so mutually agreed; (ii) the Partnership has failed within a reasonable time to retain counsel reasonably satisfactory to the Underwriters; (iii) the Underwriters and their respective directors, officers, employees, agents, affiliates and controlling persons shall have reasonably concluded that there may be legal defenses available to them that are different from or in addition to those available to the Partnership; or (iv) the named parties in any such proceeding (including any impleaded parties) include both the Underwriters or their respective directors, officers, employees, agents, affiliates or controlling persons, on the one hand, and the Partnership, on the other hand, and representation of both sets of parties by the same counsel would be inappropriate due to actual or potential differing interests between them, and in any such event the fees and expenses of such separate counsel shall be paid by the Partnership. No indemnifying party shall (A) without the prior written consent of the indemnified parties (which consent shall not be unreasonably withheld), settle or compromise or consent to the entry of any judgment with respect to any pending or threatened claim, action, suit or proceeding in respect of which indemnification or contribution may be sought hereunder (whether or not the indemnified parties are actual or potential parties to such claim or action) unless such settlement, compromise or consent includes an unconditional release of each indemnified party from all liability arising out of such claim, action, suit or proceeding and does not include any findings of fact or admissions of fault or culpability as to the indemnified party, or (B) be liable for any settlement of any such action effected without its written consent (which consent shall not be unreasonably withheld), but if settled with the consent of the indemnifying party or if there be a final judgment for the plaintiff in any such action, the indemnifying party agrees to indemnify and hold harmless any indemnified party from and against any loss or liability by reason of such settlement or judgment.

(d) If the indemnification provided for in this Section 8 shall for any reason be unavailable to or insufficient to hold harmless an indemnified party under Section 8(a) or 8(b) in respect of any loss, claim, damage or liability, or any action in respect thereof, referred to therein, then each indemnifying party shall, in lieu of indemnifying such indemnified party, contribute to the amount paid or payable by such indemnified party as a result of such loss, claim, damage or liability, or action in respect thereof, (i) in such proportion as shall be appropriate to reflect the relative benefits received by the Partnership, on the one hand, and the Underwriters on the other, from the offering of the Units or (ii) if the allocation provided by clause (i) above is not permitted by applicable law, in such proportion as is appropriate to reflect not only the relative benefits referred to in clause (i) above but also the relative fault of the Partnership, on the one hand, and the

Underwriters on the other, with respect to the statements or omissions that resulted in such loss, claim, damage or liability, or action in respect thereof, as well as any other relevant equitable considerations. The relative benefits received by the Partnership, on the one hand, and the Underwriters on the other, with respect to such offering shall be deemed to be in the same proportion as the total net proceeds from the offering of the Units purchased under this Agreement (before deducting expenses) received by the Partnership, as set forth in the table on the cover page of the Prospectus, on the one hand, and the total underwriting discounts and commissions received by the Underwriters with respect to the Units purchased under this Agreement, as set forth in the table on the cover page of the Prospectus, on the other hand. The relative fault shall be determined by reference to whether the untrue or alleged untrue statement of a material fact or omission or alleged omission to state a material fact relates to information supplied by the Partnership or the Underwriters, the intent of the parties and their relative knowledge, access to information and opportunity to correct or prevent such statement or omission. The Partnership and the Underwriters agree that it would not be just and equitable if contributions pursuant to this Section 8(d) were to be determined by pro rata allocation (even if the Underwriters were treated as one entity for such purpose) or by any other method of allocation that does not take into account the equitable considerations referred to herein. The amount paid or payable by an indemnified party as a result of the loss, claim, damage or liability, or action in respect thereof, referred to above in this Section 8(d) shall be deemed to include, for purposes of this Section 8(d), any legal or other expenses reasonably incurred by such indemnified party in connection with investigating or defending any such action or claim. Notwithstanding the provisions of this Section 8(d), no Underwriter shall be required to contribute any amount in excess of the amount by which the net proceeds from the sale of the Units underwritten by it exceeds the amount of any damages that such Underwriter has otherwise paid or become liable to pay by reason of any untrue or alleged untrue statement or omission or alleged omission. No person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Securities Act) shall be entitled to contribution from any person who was not guilty of such fraudulent misrepresentation. The Underwriters’ respective obligations to contribute as provided in this Section 8(d) are several in proportion to their respective underwriting obligations and not joint.

(e) The Underwriters severally confirm and the Partnership acknowledges and agrees that the statements regarding delivery of the Units by the Underwriters set forth on the cover page of, and the concession and reallowance figures and the paragraphs relating to stabilization by the Underwriters appearing under the caption “Underwriting” in, the Preliminary Prospectus and the Prospectus are correct and constitute the only information concerning such Underwriters furnished in writing to the Partnership by or on behalf of the Underwriters specifically for inclusion in the Preliminary Prospectus, the Registration Statement, the Prospectus, any Issuer Free Writing Prospectus or in any amendment or supplement thereto or in any Non-Prospectus Road Show.

Section 9. Defaulting Underwriters.

(a) If, on any Delivery Date, any Underwriter defaults in its obligations to purchase the Units that it has agreed to purchase under this Agreement, the remaining non-defaulting Underwriters may in their discretion arrange for the purchase of such Units by the non-defaulting Underwriters or other persons satisfactory to the Partnership on the terms contained in this Agreement. If, within 36 hours after any such default by any Underwriter, the non-defaulting

Underwriters do not arrange for the purchase of such Units, then the Partnership shall be entitled to a further period of 36 hours within which to procure other persons satisfactory to the non-defaulting Underwriters to purchase such Units on such terms. In the event that within the respective prescribed periods, the non-defaulting Underwriters notify the Partnership that they have so arranged for the purchase of such Units, or the Partnership notifies the non-defaulting Underwriters that it has so arranged for the purchase of such Units, either the non-defaulting Underwriters or the Partnership may postpone such Delivery Date for up to seven full business days in order to effect any changes that in the opinion of counsel for the Partnership or counsel for the Underwriters may be necessary in the Registration Statement, the Prospectus or in any other document or arrangement, and the Partnership agrees to promptly prepare any amendment or supplement to the Registration Statement, the Prospectus or in any such other document or arrangement that effects any such changes. As used in this Agreement, the term “Underwriter” includes, for all purposes of this Agreement unless the context requires otherwise, any party not listed in Schedule 1 hereto that, pursuant to this Section 9, purchases Units that a defaulting Underwriter agreed but failed to purchase.

(b) If, after giving effect to any arrangements for the purchase of the Units of a defaulting Underwriter or Underwriters by the non-defaulting Underwriters and the Partnership as provided in Section 9(a), the total number of Units that remains unpurchased does not exceed one-eleventh of the total number of all the Units, then the Partnership shall have the right to require each non-defaulting Underwriter to purchase the total number of Units that such Underwriter agreed to purchase hereunder plus such Underwriter’s pro rata share (based on the total number of Units that such Underwriter agreed to purchase hereunder) of the Units of such defaulting Underwriter or Underwriters for which such arrangements have not been made; provided that the non-defaulting Underwriters shall not be obligated to purchase more than 110% of the total number of Units that it agreed to purchase on such Delivery Date pursuant to the terms of Section 2.

(c) If, after giving effect to any arrangements for the purchase of the Units of a defaulting Underwriter or Underwriters by the non-defaulting Underwriters and the Partnership as provided in Section 9(a), the total number of Units that remains unpurchased exceeds one-eleventh of the total number of all the Units, or if the Partnership shall not exercise the right described in Section 9(b), then this Agreement shall terminate without liability on the part of the non-defaulting Underwriters. Any termination of this Agreement pursuant to this Section 9 shall be without liability on the part of the General Partner and the Partnership, except that the General Partner and the Partnership will continue to be liable for the payment of expenses as set forth in Sections 6 and 11 and except that the provisions of Section 8 shall not terminate and shall remain in effect.

(d) Nothing contained herein shall relieve a defaulting Underwriter of any liability it may have to the Partnership or any non-defaulting Underwriter for damages caused by its default.

Section 10. Termination.

The obligations of the Underwriters hereunder may be terminated by the Representative by notice given to and received by the Partnership prior to delivery of and payment for the Firm Units if, at any time prior to such delivery and payment, (i) trading in any securities of the Partnership shall have been suspended on any exchange or in the over-the-counter market by the Commission or the NYSE, (ii) trading in securities generally on the NYSE, NYSE Alternext US, the NASDAQ Stock Market or in the over-the-counter market shall have been suspended or limited or minimum

prices shall have been established on any such exchange or market by the Commission, by such exchange, or by any other regulatory body or governmental authority, (iii) a banking moratorium shall have been declared either by Federal or New York State authorities, or (iv) there shall have occurred any outbreak or escalation of hostilities, declaration by the United States of a national emergency or war, or other calamity or crisis, the effect of which on financial markets in the United States is such as to make it, in the sole judgment of the Representative, impractical or inadvisable to proceed with the offering or delivery of the Units as contemplated in the Preliminary Prospectus or the Final Prospectus (exclusive of any amendment or supplement thereto).

Section 11. Reimbursement of Underwriters’ Expenses.

If the Partnership shall fail to tender the Units for delivery to the Underwriters by reason of any failure, refusal or inability on the part of the Partnership to perform any agreement on its part to be performed, or because any other condition to the Underwriters’ obligations hereunder required to be fulfilled by the Partnership is not fulfilled for any reason, the Partnership will reimburse the Underwriters for all reasonable out-of-pocket expenses (including fees and disbursements of counsel) incurred by the Underwriters in connection with this Agreement and the proposed purchase of the Units, and upon demand the Partnership shall pay the full amount thereof to the Representative. If this Agreement is terminated (i) pursuant to Section 10(ii), (iii) or (iv), or (ii) pursuant to Section 9 by reason of the default of one or more Underwriters, the Partnership shall not be obligated to reimburse any Underwriter, in the case of clause (i) of this sentence, or any defaulting Underwriter, in the case of clause (ii) of this sentence, on account of the expenses described in the first sentence of this section.

Section 12. Research Independence.

The Partnership acknowledges that the Underwriters’ research analysts and research departments are required to be independent from their respective investment banking divisions and are subject to certain regulations and internal policies, and that such Underwriters’ research analysts may hold views and make statements or investment recommendations and/or publish research reports with respect to the Partnership and/or the offering that differ from the views of their respective investment banking divisions. The Partnership hereby waives and releases, to the fullest extent permitted by law, any claims that the Partnership may have against the Underwriters with respect to any conflict of interest that may arise from the fact that the views expressed by their independent research analysts and research departments may be different from or inconsistent with the views or advice communicated to the Partnership by such Underwriters’ investment banking divisions. The Partnership acknowledges that each of the Underwriters is a full service securities firm and as such from time to time, subject to applicable securities laws, may effect transactions for its own account or the account of its customers and hold long or short positions in debt or equity securities of the companies that may be the subject of the transactions contemplated by this Agreement.

Section 13. No Fiduciary Duty.

The Partnership acknowledges and agrees that in connection with this offering, sale of the Units or any other services the Underwriters may be deemed to be providing hereunder, notwithstanding any preexisting relationship, advisory or otherwise, between the parties or any oral representations or assurances previously or subsequently made by the Underwriters: (i) no fiduciary

or agency relationship between the Partnership Entities and any other person, on the one hand, and the Underwriters, on the other, exists; (ii) none of the Underwriters are acting as advisors, expert or otherwise, to any of the Partnership Entities, including, without limitation, with respect to the determination of the public offering price of the Units, and such relationship between the Partnership Entities, on the one hand, and the Underwriters, on the other, is entirely and solely commercial, based on arms-length negotiations; (iii) any duties and obligations that the Underwriters may have to the Partnership Entities shall be limited to those duties and obligations specifically stated herein; and (iv) the Underwriters and their respective affiliates may have interests that differ from those of the Partnership Entities. The Partnership hereby waives any claims that it may have against the Underwriters with respect to any breach of fiduciary duty in connection with this offering of the Units.

Section 14. Notices, Etc.

All statements, requests, notices and agreements hereunder shall be in writing, and:

(a) if to the Underwriters, shall be delivered or sent by mail or facsimile transmission to:

Barclays Capital Inc.

745 Seventh Avenue

New York, New York 10010

Attention: Syndicate

Fax: (646) 834-8133

(b) if to the Partnership, it shall be sufficient in all respects if delivered or sent to the Partnership at the offices of the Partnership at Energy Transfer Partners, L.P., 8111 Westchester Drive, Suite 600, Dallas, Texas 75225, Attention: Thomas E. Long;

provided, however, that any notice to an Underwriter pursuant to Section 8(c) shall be delivered or sent by mail or facsimile transmission to such Underwriter at its address set forth in its acceptance telex to the Representative, which address will be supplied to any other party hereto by the Representative upon request. Any such statements, requests, notices or agreements shall take effect at the time of receipt thereof. The Partnership shall be entitled to act and rely upon any request, consent, notice or agreement given or made on behalf of the Underwriters by the Representative.

Section 15. Persons Entitled to Benefit of Agreement.

This Agreement shall inure to the benefit of and be binding upon the Underwriters, the Partnership and their respective successors. This Agreement and the terms and provisions hereof are for the sole benefit of only those persons, except that (A) the representations, warranties, indemnities and agreements of the Partnership contained in this Agreement shall also be deemed to be for the benefit of the directors, officers, employees and agents of each of the Underwriters, affiliates of any Underwriter who have, or are alleged to have, participated in the distribution of the Units as underwriters, and each person or persons, if any, who control any Underwriter within the meaning of Section 15 of the Securities Act and (B) the indemnity agreement of the Underwriters contained in Section 8(b) of this Agreement shall be deemed to be for the benefit of the directors

of the General Partner, the officers of the General Partner who have signed the Registration Statement and any person controlling the Partnership within the meaning of Section 15 of the Securities Act. Nothing in this Agreement is intended or shall be construed to give any person, other than the persons referred to in this Section 15, any legal or equitable right, remedy or claim under or in respect of this Agreement or any provision contained herein.

Section 16. Survival.

The respective indemnities, representations, warranties and agreements of the Partnership and the Underwriters contained in this Agreement or made by or on behalf of them, respectively, pursuant to this Agreement, shall survive the delivery of and payment for the Units and shall remain in full force and effect, regardless of any investigation made by or on behalf of any of them or any person controlling any of them.

Section 17. Definition of the Terms “Business Day,” “Subsidiary” and “Affiliate”.

For purposes of this Agreement, (a) “business day” means each Monday, Tuesday, Wednesday, Thursday or Friday that is not a day on which banking institutions in New York are generally authorized or obligated by law or executive order to close and (b) “subsidiary” and “affiliate” have their respective meanings set forth in Rule 405 of the Rules and Regulations.

Section 18. Governing Law.

This Agreement and any claim, counterclaim or dispute of any kind or nature whatsoever arising out of or in any way relating to this Agreement, directly or indirectly, shall be governed by, and construed in accordance with, the internal laws of the State of New York.

Section 19. Counterparts.

This Agreement may be executed in one or more counterparts and, if executed in more than one counterpart, the executed counterparts shall each be deemed to be an original but all such counterparts shall together constitute one and the same instrument.

Section 20. Headings.

The headings herein are inserted for convenience of reference only and are not intended to be part of, or to affect the meaning or interpretation of, this Agreement.

If the foregoing correctly sets forth the agreement between the Partnership and the Underwriter, please indicate your acceptance in the space provided for that purpose below.

Very truly yours,

“Partnership”



		ENERGY TRANSFER PARTNERS, L.P.

		By:	Energy Transfer Partners GP, L.P.
			its general partner

		By:	Energy Transfer Partners, L.L.C.
			its general partner

		By:	/s/ Thomas E. Long
			Thomas E. Long
			Chief Financial Officer

Signature Page to Underwriting Agreement (August 2017)

Accepted:



BARCLAYS CAPITAL INC.


By:	/s/ Greg Hall
	Name: Greg Hall
	Title: Managing Director

Signature Page to Underwriting Agreement (August 2017)

SCHEDULE 1



Underwriters	Number of Firm Units
Barclays Capital Inc.	43,783,785
Morgan Stanley & Co. LLC	3,405,405
UBS Securities LLC	3,405,405
Wells Fargo Securities, LLC	3,405,405
Total	54,000,000

ANNEX 1

General Partner Executive Officers and Directors:

Kelcy L. Warren

Marshall S. McCrea, III

Matthew S. Ramsey

Thomas E. Long

Lee Hanse

Luke Fletcher

Ryan K. Coffey

Bradford D. Whitehurst

Christopher Curia

Jennifer Street

Ted Collins, Jr.

David K. Skidmore

Michael K. Grimm

Entities

Energy Transfer Equity, L.P.

ANNEX 2

JURISDICTIONS OF FORMATION AND QUALIFICATION



Name of Entity	Jurisdiction of Formation	Other Jurisdictions of Registration or Qualification
Energy Transfer Partners, L.P.	Delaware	Pennsylvania (registered as Sunoco Logistics Partners L.P.)
Energy Transfer Partners GP, L.P.	Delaware	Alabama, Arizona, Colorado, Florida, Georgia, Illinois, Indiana, Kentucky, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Montana, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Oklahoma, Oregon, Pennsylvania, South Carolina, South Dakota, Texas, Utah, Vermont, Virginia, Washington, Wyoming (doing business as Energy Transfer Company GP, Limited Partnership)
Energy Transfer Partners, L.L.C.	Delaware	Alabama, Arizona, California, Colorado, District of Columbia, Florida, Georgia, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Oklahoma (doing business as ETP, L.L.C.), Oregon, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, Wyoming (doing business as U.S. Propane Gas, L.L.C.)

ANNEX 3

Issuer Free Writing Prospectuses
other than those to which the Underwriters
provided their consent

None.

ANNEX 4

Additional Pricing Disclosure Package



Number of Units:	54,000,000 Common Units or, if the Underwriters exercise in full their Option granted in Section 2 hereof, 62,100,000 Common Units.
Public offering price for the Units:	$18.65 per Common Unit.

ANNEX 5

MATERIAL SUBSIDIARIES




Entity		Jurisdiction in which registered
Energy Transfer, LP		Delaware
Energy Transfer Interstate Holdings, LLC		Delaware
ETC Field Services LLC		Delaware
ETP Holdco Corporation		Delaware
Heritage ETC, L.P.		Delaware
Heritage Holdings, Inc.		Delaware
Houston Pipe Line Company LP		Delaware
HPL Consolidation LP		Delaware
HP Houston Holdings, L.P.		Delaware
La Grange Acquisition, L.P.		Texas
Lone Star NGL Asset Holdings II LLC		Delaware
Lone Star NGL Asset Holdings LLC		Delaware
Lone Star NGL Fractionators LLC		Delaware
Lone Star NGL LLC		Delaware
Lone Star NGL Mont Belvieu		Delaware
Lone Star NGL Pipeline LP		Delaware
Panhandle Eastern Pipe Line Company, LP		Delaware
Regency Gas Services LP		Delaware
SUG Holding Company		Delaware
Sunoco Logistics Partners Operations, L.P.		Delaware
Sunoco Partners Marketing & Terminals L.P.		Texas
Sunoco Pipeline L.P.		Texas
Sunoco (R&M), LLC		Pennsylvania

EXHIBIT A

LOCK-UP LETTER AGREEMENT

BARCLAYS CAPITAL INC.

745 Seventh Avenue

New York, New York 10019

Ladies and Gentlemen:

The undersigned understands that you and certain other firms (the “Underwriters”) propose to enter into an Underwriting Agreement (the “Underwriting Agreement”) with Energy Transfer Partners, L.P., a Delaware limited partnership (the “Partnership”) providing for the purchase by the Underwriters of common units representing limited partner interests (the “Common Units”) of the Partnership, and that the Underwriters propose to reoffer the Common Units to the public (the “Offering”). Capitalized terms used but not defined herein have the meanings given them in the Underwriting Agreement.

In consideration of the execution of the Underwriting Agreement by the Underwriter, and for other good and valuable consideration, the undersigned hereby irrevocably agrees that, without the prior written consent of Barclays Capital Inc., the undersigned will not, directly or indirectly, (1) offer for sale, sell, pledge, or otherwise transfer or dispose of (or enter into any transaction or device that is designed to, or could be expected to, result in the disposition by any person at any time in the future of) any Common Units (including, without limitation, Common Units that may be deemed to be beneficially owned by the undersigned in accordance with the rules and regulations of the Securities and Exchange Commission and Common Units that may be issued upon exercise of any options or warrants) or securities convertible into or exchangeable for Common Units owned by the undersigned on the date of the execution of this Agreement or on the date of the completion of the Offering, or (2) enter into any swap or other derivatives transaction that transfers to another, in whole or in part, any of the economic benefits or risks of ownership of such Common Units or securities convertible into or exchangeable for Common Units, whether any such transaction described in clause (1) or (2) above is to be settled by delivery of Common Units or other securities, in cash or otherwise, (3) make any demand for or exercise any right to file or cause to be filed a registration statement, including any amendments thereto, to register any Common Units or securities convertible, exercisable or exchangeable into Common Units or any other securities of the Partnership or (4) publicly disclose the intention to do any of the foregoing, in each case, for a period of forty-five (45) days from the date of the final prospectus relating to the Offering (such forty-five-day period, the “Lock-Up Period”). The foregoing sentence shall not apply to bona fide gifts, sales or other dispositions of Common Units, in each case that are made exclusively between and among the undersigned or members of the undersigned’s family, or affiliates of the undersigned, including its partners (if a partnership) or members (if a limited liability company); provided that it shall be a condition to any such transfer that (i) the transferee/donee agrees to be bound by the terms of this Lock-up Letter Agreement (including, without limitation, the restrictions set forth in the preceding sentence) to the same extent as if the transferee/donee were a party hereto, (ii) no filing by any party (donor, donee, transferor or transferee) under the Securities Exchange Act of

Exhibit A-1

1934, as amended (the “Exchange Act”), shall be required or shall be voluntarily made in connection with such transfer or distribution (other than a filing on a Form 5 made after the expiration of the Lock-Up Period), (iii) each party (donor, donee, transferor or transferee) shall not be required by law (including without limitation the disclosure requirements of the Securities Act of 1933, as amended, and the Exchange Act) to make, and shall agree to not voluntarily make, any public announcement of the transfer or disposition, and (iv) the undersigned notifies Barclays Capital Inc. at least two business days prior to the proposed transfer or disposition.

In furtherance of the foregoing, the Partnership and its transfer agent are hereby authorized to decline to make any transfer of securities if such transfer would constitute a violation or breach of this Lock-Up Letter Agreement.

It is understood that, if the Partnership notifies the Underwriters that it does not intend to proceed with the Offering, if the Underwriting Agreement does not become effective, or if the Underwriting Agreement (other than the provisions thereof which survive termination) shall terminate or be terminated prior to payment for and delivery of the Units, the undersigned will be released from its obligations under this Lock-Up Letter Agreement.

The undersigned understands that the Partnership and the Underwriters will proceed with the Offering in reliance on this Lock-Up Letter Agreement.

Whether or not the Offering actually occurs depends on a number of factors, including market conditions. Any Offering will only be made pursuant to an Underwriting Agreement, the terms of which are subject to negotiation between the Partnership and the Underwriters.

The undersigned hereby represents and warrants that the undersigned has full power and authority to enter into this Lock-Up Letter Agreement and that, upon request, the undersigned will execute any additional documents necessary in connection with the enforcement hereof. Any obligations of the undersigned shall be binding upon the heirs, personal representatives, successors and assigns of the undersigned.

[Signature page to follow.]

Exhibit A-2

Very truly yours,

By:

Name:

Title:

Dated: August ___, 2017

Exhibit A-3

EXHIBIT B-1

FORM OF OPINION OF

LATHAM & WATKINS LLP

The Partnership is a limited partnership under the DRULPA, with limited partnership power and authority to own its properties and to conduct its business as described in the Registration Statement, the Preliminary Prospectus and the Prospectus. With your consent, based solely on certificates from public officials, we confirm that the Partnership is validly existing and in good standing under the laws of the State of Delaware and is qualified to do business in the states set forth on Annex A hereto.

The General Partner is a limited partnership under the DRULPA, with limited partnership power and authority to own its properties, conduct its business and act as the general partner of the Partnership as described in the Registration Statement, the Preliminary Prospectus and the Prospectus. With your consent, based solely on certificates from public officials, we confirm that the General Partner is validly existing and in good standing under the laws of the State of Delaware and is qualified to do business in the states set forth on Annex A hereto.

ETP LLC is a limited liability company under the DLLCA, with limited liability company power and authority to own its properties, conduct its business and act as the general partner of the General Partner as described in the Registration Statement, the Preliminary Prospectus and the Prospectus. With your consent, based solely on certificates from public officials, we confirm that ETP LLC is validly existing and in good standing under the laws of the State of Delaware and is qualified to do business in the states set forth on Annex A hereto.

With your consent, based solely upon a review on the date hereof of the Partnership Governing Documents¹ and certain resolutions of the board of directors of ETP LLC, the General Partner is the sole general partner of the Partnership with an approximate [●]% general partner interest in the Partnership and all of the incentive distribution rights in the Partnership (the “GP Ownership Interest”) owned of record by the General Partner. The GP Ownership Interest has been validly issued in accordance with the Partnership Agreement. With your consent, based solely upon a review of the lien searches dated August [●], 2017 attached hereto as Annex B (the “Lien Search”), we confirm that the GP Ownership Interest is free and clear of liens, claims, charges and encumbrances (“Liens”) other than those (i) created by or arising under the DRULPA or the Partnership Agreement, (ii) set forth or described on Annex B or (iii) restrictions on transferability or other Liens described in the Registration Statement, the Preliminary Prospectus and the Prospectus.

____________________________


⁽¹⁾	NTD: “Partnership Governing Documents” will be defined to mean the certificate of limited partnership of the Partnership and the Partnership Agreement.

Exhibit B-1-1


5.	The execution, delivery and performance of the Underwriting Agreement by the Partnership has been duly authorized by all necessary limited partnership action of the Partnership, and the Underwriting Agreement has been duly executed and delivered by the Partnership.

The Units to be issued and sold by the Partnership pursuant to the Underwriting Agreement and the limited partner interests represented thereby have been duly authorized by all necessary limited partnership action of the Partnership and, when issued to and paid for by you in accordance with the terms of the Underwriting Agreement, will be validly issued and free of preemptive rights arising from the Governing Documents², except as have been waived. Under the DRULPA and the Partnership Agreement, purchasers of the Units will have no obligation to make further payments for their purchase of the Units or contributions to the Partnership, solely by reason of their ownership of the Units or their status as limited partners of the Partnership, and no personal liability for the debts, obligations and liabilities of the Partnership, whether arising in contract, tort or otherwise, solely by reason of being limited partners of the Partnership.


7.	The execution and delivery of the Underwriting Agreement by the Partnership and the issuance and sale of the Units by the Partnership to you pursuant to the Underwriting Agreement do not on the date hereof:

(i) violate the provisions of the Governing Documents;

(ii) result in the breach of or a default under any of the Specified Agreements;³


(iii)	violate any federal, New York or Texas statute, rule or regulation applicable to the Partnership or the Delaware Laws⁴; or


(iv)	require any consents, approvals, or authorizations to be obtained by the Partnership from, or any registrations, declarations or filings to be made by the Partnership with, any governmental authority under any federal, New York or Texas statute, rule or regulation applicable to the Partnership or the Delaware Laws on or prior to the date hereof that have not been obtained or made.

____________________________


⁽²⁾	NTD: “Governing Documents” will be defined to mean the certificates of limited partnership of the Partnership and the General Partner, the Partnership Agreement, the partnership agreement of the General Partner, the certificate of formation of ETP LLC and the LLC Agreement of ETP LLC.

⁽³⁾

NTD: “Specified Agreements” will cover (i) all of the credit agreements, indentures and debt related instruments to which the Partnership is a party that are listed as exhibits to, or incorporated by reference into, the Registration Statement pursuant to Item 601(b) of Regulation S-K., and (ii) all contribution agreements, merger agreements or purchase agreements to which the Partnership is a party that are listed as exhibits to, or incorporated by reference into, the Registration Statement pursuant to Item 601(b)(2) or Item 601(b)(10) of Regulation S-K.


⁽⁴⁾	NTD: “Delaware Laws” will mean the DRULPA and the Delaware LLC Act.

Exhibit B-1-2


8.	The statements in the Preliminary Prospectus, taken together with the Prospectus, under the captions “Cash Distributions” and “Description of our Common Units” insofar as they purport to constitute a summary of the terms of the common units and incentive distribution rights of the Partnership, are accurate descriptions or summaries in all material respects.


9.	The statements in the Registration Statement and Prospectus under the captions “Cash Distributions” and “Description of our Common Units” insofar as they purport to describe or summarize certain provisions of the documents or U.S. federal laws or the Delaware Laws referred to therein, are accurate descriptions or summaries in all material respects.

10.

The Registration Statement has become effective under the Act. With your consent, based solely on a review of a list of stop orders on the Commission’s website at https://www.sec.gov/litigation/stoporders.shtml at 8:00 a.m. Eastern Time on August [●], 2017, we confirm that no stop order suspending the effectiveness of the Registration Statement has been issued under the Act and no proceedings therefor have been initiated by the Commission. The Preliminary Prospectus has been filed in accordance with Rule 424(b) and 430B under the Act, and the Prospectus has been filed in accordance with Rule 424(b) and Rule 430B under the Act.

11.

The Registration Statement at August [●], 2017, including the information deemed to be a part thereof pursuant to Rule 430B under the Act, and the Prospectus, as of its date, each appeared on their face to be appropriately responsive in all material respects to the applicable form requirements for registration statements on Form S-3 under the Act and the rules and regulations of the Commission thereunder; it being understood, however, that we express no view with respect to Regulation S-T or the financial statements, schedules, or other financial data, included in, incorporated by reference in, or omitted from, the Registration Statement or the Prospectus. For purposes of this paragraph, we have assumed that the statements made in the Registration Statement and the Prospectus are correct and complete.


12.	The Partnership is not, and immediately after giving effect to the sale of the Units in accordance with the Underwriting Agreement and the application of the proceeds as described in the Prospectus under the caption “Use of Proceeds,” will not be required to be, registered as an “investment company” within the meaning of the Investment Company Act of 1940, as amended.

Exhibit B-1-3

EXHIBIT B-2

FORM OF NEGATIVE ASSURANCE LETTER OF

LATHAM & WATKINS LLP

The primary purpose of our professional engagement was not to establish or confirm factual matters or financial or quantitative information. Therefore, we are not passing upon and do not assume any responsibility for the accuracy, completeness or fairness of the statements contained in, or incorporated by reference in, the Registration Statement, the Preliminary Prospectus, the Prospectus or the Incorporated Documents (except to the extent expressly set forth in the numbered paragraphs [8] and [9] of our letter to you of even date and in our letter to you of even date with respect to certain tax matters), and have not made an independent check or verification thereof. However, in the course of acting as special counsel to the Partnership in connection with the preparation by the Partnership of the Prospectus, we reviewed the Registration Statement, the Preliminary Prospectus, the Prospectus and the Incorporated Documents, and participated in conferences and telephone conversations with officers and other representatives of the Partnership, Energy Transfer Partner GP, L.P., a Delaware limited partnership (the “General Partner”), and Energy Transfer Partners, L.L.C., a Delaware limited liability company (“ETP LLC” and, together with the Partnership and the General Partner, the “Partnership Parties”), the independent public accountants for the Partnership, your representatives, and your counsel, during which conferences and conversations the contents of the Registration Statement, the Prospectus and portions of certain of the Incorporated Documents and related matters were discussed. We also reviewed and relied upon certain limited partnership and limited liability company records and documents, letters from counsel and accountants, and oral and written statements of officers and other representatives of the Partnership Parties and others as to the existence and consequence of certain factual and other matters.

Based on our participation, review and reliance as described above, we advise you that no facts came to our attention that caused us to believe that:

•

the Registration Statement, at the time it became effective on August [●], 2017, including the information deemed to be a part of the Registration Statement pursuant to Rule 430B under the Act (together with the Incorporated Documents as of such date), contained an untrue statement of a material fact or omitted to state a material fact required to be stated therein or necessary to make the statements therein not misleading;

•

the Preliminary Prospectus, as of [●] [a.m./p.m.] on August [●], 2017 (together with the Incorporated Documents at that date), when taken together with the information included in Annex 4 to the Underwriting Agreement, contained an untrue statement of a material fact or omitted to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading; or

Exhibit B-2-1


•	the Prospectus, as of its date or as of the date hereof (together with the Incorporated Documents at those dates), contained or contains an untrue statement of a material fact or omitted or omits to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading;

it being understood that we express no belief with respect to the financial statements, schedules, or other financial data included or incorporated by reference in, or omitted from, the Registration Statement, the Preliminary Prospectus, the Prospectus or the Incorporated Documents.

Exhibit B-2-2

EXHIBIT B-3

FORM OF TAX OPINION OF

LATHAM & WATKINS LLP

Based on such facts and subject to the qualifications, assumptions and limitations set forth herein and in the Registration Statement and the Prospectus, our opinion that is filed as Exhibit 8.1 to the current report on Form 8-K of the Partnership dated August [●], 2017, is confirmed, and you may rely upon such opinion as if it were addressed to you and dated the date hereof.

Exhibit B-3-1

EXHIBIT C

FORM OF OPINION OF GENERAL COUNSEL
OR ASSOCIATE GENERAL COUNSEL

1. Each of the entities listed on Annex II hereto is validly existing as a limited partnership or limited liability company, as the case may be, in good standing under the laws of its jurisdiction of formation, with full power and authority to own, lease and operate its properties and to conduct its business as described in the Registration Statement, the Pricing Disclosure Package and the Prospectus.

2. Each of the Partnership Entities is duly registered or qualified to do business as a foreign limited liability company or limited partnership, as the case may be, for the transaction of business under the laws of the jurisdictions set forth opposite its name on Annex I hereto, and is in good standing in each jurisdiction where the ownership or leasing of its properties or the conduct of its businesses requires such qualification, except where the failure to be so registered or qualified and in good standing would not, individually or in the aggregate, have a Material Adverse Effect.

3. Except as described in the Registration Statement and for rights that have been waived, (i) no person has the right to require the registration under the Securities Act of any securities of the Partnership and (ii) there are no rights to subscribe for or to purchase, nor any restriction upon the voting or transfer of, any partnership or member interests in the Partnership, the General Partner or ETP LLC, in each case, pursuant to any agreement or other instrument to which any such entity is a party or by which any of them may be bound listed as an exhibit to the Registration Statement, the Partnership’s most recent Annual Report on Form 10-K and any Quarterly Reports on Form 10-Q filed subsequent thereto or any Current Reports on Form 8-K filed by the Partnership since the beginning of the current calendar year.

4. None of the filing of the Registration Statement or the offering, issuance and sale of the Units as contemplated by the Agreement and the Partnership Agreement gives rise to any rights for or relating to the registration of any Units or other securities of the Partnership Entities contained in any document filed as exhibits to the Partnership’s periodic reports filed pursuant to the Exchange Act, other than as have been waived or complied with.

5. To the undersigned’s knowledge, there are no contracts, licenses, agreements, leases or documents of a character which are required to be described in the Registration Statement, the Pricing Disclosure Package or the Prospectus or to be filed as an exhibit to the Registration Statement or any Incorporated Document which have not been so described or filed as required.

6. To the undersigned’s knowledge, (i) none of the Partnership Entities nor any Subsidiary are a party to any legal or governmental action or proceeding that challenges the validity or enforceability, or seeks to enjoin the performance, of the Agreement; and (ii) there are no actions, suits, claims, investigations or proceedings pending, threatened or contemplated to which any of the Partnership Entities or any of the Subsidiaries or any of their respective directors or officers is or would be a party or to which any of their respective properties is or would be subject at law or in equity, before or by any federal, state, local or foreign governmental or regulatory commission,

Exhibit C-1

board, body, authority or agency which are required to be described in the Registration Statement or the Prospectus but are not so described as required.

The undersigned has participated in conferences with officers and other representatives of the Partnership Entities, representatives of the independent public accountants of the Partnership Entities and the representative of the Underwriters at which the contents of the Registration Statement, the Disclosure Package and the Prospectus were discussed and, although the undersigned need not pass upon and need not assume responsibility for the accuracy, completeness or fairness of the statements contained in the Registration Statement, the Disclosure Package or the Prospectus, on the basis of the foregoing, nothing has come to the attention of the undersigned that causes the undersigned to believe that (i) the Registration Statement, on the Effective Date, contained an untrue statement of a material fact or omitted to state a material fact required to be stated therein or necessary to make the statements therein not misleading, (ii) the Disclosure Package (together with (a) the aggregate number of Units offered for sale pursuant to the Prospectus and (b) the public offering price per unit, in the case of each of clause (a) and clause (b), as reflected on the cover page of the Prospectus), as of as of the date of the Underwriting Agreement and as of the date hereof, included or includes an untrue statement of a material fact or omitted or omits to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading or (iii) the Prospectus, as of its date and the date hereof, included or includes an untrue statement of a material fact or omitted or omits to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading (it being understood that the undersigned need not express any opinion in this paragraph with respect to the financial statements and schedules, and other financial data derived therefrom, included in the Registration Statement, the Disclosure Package or the Prospectus).

In rendering such opinion, among other customary exceptions, qualifications and limitations, such counsel may (A) rely in respect of matters of fact upon the representations of the Partnership set forth in the Agreement and in certificates of officers and employees of the Partnership and upon information obtained from public officials, (B) assume that all documents submitted to such counsel as originals are authentic, that all copies submitted to such counsel conform to the originals thereof, and that the signatures on all documents examined by such counsel are genuine, (C) state that such opinions are limited to federal laws (exclusive of patent law) and the laws of the State of Texas and (D) state that such counsel expresses no opinion with respect to state or local taxes or tax statutes to which any of the limited partners of the Partnership may be subject.

Exhibit C-2

EXHIBIT D

FORM OF OPINION OF RICHARDS, LAYTON & FINGER, P.A.

1. The Fourth Amended and Restated Agreement of Limited Partnership of Energy Transfer Partners, L.P., dated as of April 28, 2017 and effective as of the Effective Time (as defined therein), as supplemented by the Joinder Agreement thereto, dated as of April 28, 2017 and effective as of the Effective Time, constitutes a valid and binding agreement of Energy Transfer Partners GP, L.P., and is enforceable against Energy Transfer Partners GP, L.P., in its capacity as general partner of Energy Transfer Partners, L.P., in accordance with its terms.

2. The Third Amended and Restated Agreement of Limited Partnership of Energy Transfer Partners GP, L.P., dated as of April 17, 2007, as amended by the First Amendment thereto, effective as of November 9, 2007, and as further amended by Amendment No. 2 thereto, dated March 26, 2012, constitutes a valid and binding agreement of Energy Transfer Partners, L.L.C., and is enforceable against Energy Transfer Partners, L.L.C., in its capacity as general partner of Energy Transfer Partners GP, L.P., in accordance with its terms.

3. The Fourth Amended and Restated Limited Liability Company Agreement of Energy Transfer Partners, L.L.C., dated as of August 10, 2010, as amended by Amendment No. 1 thereto, dated as of March 26, 2012, constitutes a valid and binding agreement of Energy Transfer Equity, L.P., and is enforceable against Energy Transfer Equity, L.P., in its capacity as the sole member of Energy Transfer Partners, L.L.C., in accordance with its terms.

Exhibit D-1

Exhibit

August 18, 2017

Energy Transfer Partners, L.P.

8111 Westchester Drive, Suite 600

Dallas, Texas 75225


Re:	Registration Statement No. 333-206301; Public Offering of up to 62,100,000 Common Units

Ladies and Gentlemen:

We have acted as special counsel to Energy Transfer Partners, L.P., a Delaware limited partnership (the “Partnership”), in connection with the issuance by the Partnership of up to 62,100,000 common units representing limited partner interests in the Partnership (the “Common Units”). The Common Units are included in a registration statement on Form S-3 under the Securities Act of 1933, as amended (the “Act”) and filed with the Securities and Exchange Commission (the “Commission”) on August 8, 2015 (Registration No. 333-206301) (the “Registration Statement”). This opinion is being furnished in connection with the requirements of Item 601(b)(5) of Regulation S-K under the Act, and no opinion is expressed herein as to any matter pertaining to the contents of the Registration Statement or related prospectus, other than as expressly stated herein with respect to the issuance of the Common Units.

As such counsel, we have examined such matters of fact and questions of law as we have considered appropriate for purposes of this letter. With your consent, we have relied upon certificates and other assurances of officers of the general partner of the general partner of the Partnership and others as to factual matters without having independently verified such factual matters. We are opining herein as to the Delaware Revised Uniform Limited Partnership Act (the “Delaware Act”), and we express no opinion with respect to the applicability thereto, or the effect thereon, of the laws of any other jurisdiction or, in the case of Delaware, any other laws, or as to any matters of municipal law or the laws of any local agencies within any state.

Subject to the foregoing and the other matters set forth herein, it is our opinion that, as of the date hereof, when the Common Units shall have been issued by the Partnership against payment therefor in the circumstances contemplated by the Prospectus and the underwriting agreement filed as an exhibit to the Partnership’s Current Report on Form 8-K, filed with the Commission on August 18, 2017, the issue and sale of the Common Units will have been duly authorized by all necessary limited partnership action of the Partnership, and the Common Units will be validly issued and, under the Delaware Act, purchasers of the Common Units will have no obligation to make further payments for their purchase of Common Units or contributions to the Partnership solely by reason of their ownership of Common Units or their status as limited partners of the Partnership, and no personal liability for the debts, obligations and liabilities of the Partnership, whether arising in contract, tort or otherwise, solely by reason of being limited partners of the Partnership.

This opinion is for your benefit in connection with the Registration Statement and may be relied upon by you and by persons entitled to rely upon it pursuant to the applicable provisions of the Act. We consent to your filing this opinion as an exhibit to the Partnership’s Form 8-K dated August 18, 2017 and to the reference to our firm contained in the Prospectus under the heading “Legal Matters.” In giving such consent, we do not thereby admit that we are in the category of persons whose consent is required under Section 7 of the Act or the rules and regulations of the Commission thereunder.

Very truly yours,

/s/ LATHAM & WATKINS LLP

Exhibit

August 18, 2017

Energy Transfer Partners, L.P.

8111 Westchester Drive, Suite 600

Dallas, Texas 75225

Re: Energy Transfer Partners, L.P.

Ladies and Gentlemen:

We have acted as special tax counsel to Energy Transfer Partners, L.P., a Delaware limited partnership (the “Partnership”), in connection with the issuance by the Partnership of up to 62,100,000 common units representing limited partner interests in the Partnership (the “Units”). The Units are included in a registration statement on Form S-3 under the Securities Act of 1933, as amended (the “Act”), initially filed with the Securities and Exchange Commission (the “Commission”) on August 11, 2015 (Registration No. 333-206301) (as so filed and as amended, the “Registration Statement”), and the prospectus supplement dated on or about August 14, 2017 (the “Prospectus Supplement”), to the prospectus dated August 11, 2015 (together with the Prospectus Supplement, the “Prospectus”).

This opinion is based on various facts and assumptions, and is conditioned upon certain representations made by the Partnership as to factual matters through a certificate of an officer of the Partnership (the “Officer’s Certificate”). In addition, this opinion is based upon the factual representations of the Partnership concerning its business, properties and governing documents as set forth in the Partnership’s Registration Statement, the Prospectus and the Partnership’s responses to our examinations and inquiries.

In our capacity as special tax counsel to the Partnership, we have, with your consent, made such legal and factual examinations and inquiries, including an examination of originals or copies certified or otherwise identified to our satisfaction of such documents, corporate records and other instruments, as we have deemed necessary or appropriate for purposes of this opinion. In our examination, we have assumed the authenticity of all documents submitted to us as originals, the genuineness of all signatures thereon, the legal capacity of natural persons executing such documents and the conformity to authentic original documents of all documents submitted to us as copies. For the purpose of our opinion, we have not made an independent investigation or audit of the facts set forth in the above-referenced documents or in the Officer’s Certificate. In addition, in rendering this opinion we have assumed the truth and accuracy of all representations and statements made to us that are qualified as to knowledge or belief, without regard to such qualification.

We are opining herein as to the effect on the subject transaction only of the federal income tax laws of the United States and we express no opinion with respect to the applicability thereto, or the effect thereon, of other federal laws, foreign laws, the laws of any state or any other jurisdiction or as to any matters of municipal law or the laws of any other local agencies within any state. No opinion is expressed as to any matter not discussed herein.

Based on such facts, assumptions and representations and subject to the limitations set forth herein and in the Registration Statement, the Prospectus and the Officer’s Certificate, the statements in the Prospectus Supplement under the caption “Material U.S. Federal Income Tax Considerations,” insofar as such statements purport to constitute summaries of United States federal income tax law and regulations or legal conclusions with respect thereto, constitute the opinion of Latham & Watkins LLP as to the material U.S. federal income tax consequences of the matters described therein.

This opinion is rendered to you as of the date hereof, and we undertake no obligation to update this opinion subsequent to the date hereof. This opinion is based on various statutory provisions, regulations promulgated thereunder and interpretations thereof by the Internal Revenue Service and the courts having jurisdiction over such matters, all of which are subject to change either prospectively or retroactively. Also, any variation or difference in the facts from

those set forth in the representations described above, including in the Registration Statement, the Prospectus and the Officer’s Certificate, may affect the conclusions stated herein.

This opinion is furnished to you, and is for your use in connection with the transactions set forth in the Registration Statement and the Prospectus. This opinion may not be relied upon by you for any other purpose or furnished to, assigned to, quoted to or relied upon by any other person, firm or other entity, for any purpose, without our prior written consent, except that this opinion may be relied upon by persons entitled to rely on it pursuant to applicable provisions of federal securities law.

We hereby consent to the filing of this opinion as an exhibit to the current report on Form 8-K of the Partnership and to the incorporation by reference of this opinion to the Prospectus Supplement. In giving such consent, we do not thereby admit that we are within the category of persons whose consent is required under Section 7 of the Act or the rules or regulations of the Commission promulgated thereunder.

Very truly yours,

/s/ Latham & Watkins LLP